🍽️ methenamine (antibiotic)

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  1. Urinary Tract Infections (UTIs): Methenamine is effective in preventing recurrent UTIs, particularly those caused by Escherichia coli. It works by converting to formaldehyde in an acidic environment, which then exerts bactericidal activity against susceptible bacteria in the urinary tract.

  2. Prophylaxis in Patients Prone to UTIs: Methenamine is commonly prescribed as a prophylactic agent for patients who have frequent or recurrent UTIs, especially those with underlying conditions such as neurogenic bladder, urinary retention, or anatomical abnormalities predisposing them to UTIs.

  3. Interstitial Cystitis: Some healthcare providers may prescribe methenamine as part of the treatment regimen for interstitial cystitis, a chronic inflammatory condition of the bladder characterized by pelvic pain, urinary urgency, and frequency.

  4. Cystitis: Methenamine may be used as adjunctive therapy in the treatment of cystitis, an inflammation of the bladder typically caused by bacterial infection.

  5. Prostatitis: In some cases, methenamine may be included in the treatment regimen for chronic prostatitis or chronic pelvic pain syndrome, especially when recurrent UTIs are a complicating factor.

  6. Antibiotic Resistance Prevention: Methenamine has the advantage of not contributing to antibiotic resistance, which is a growing concern with the overuse of traditional antibiotics. It achieves bactericidal effects through a non-antibiotic mechanism.

  7. Safety and Tolerability: Methenamine is generally well-tolerated, with few systemic side effects. However, some individuals may experience gastrointestinal upset, including nausea, vomiting, or abdominal discomfort. Patients should stay adequately hydrated while taking methenamine to minimize the risk of urinary tract irritation.

  8. Monitoring: Regular monitoring of renal function and urinary pH may be necessary during methenamine therapy, especially in patients with renal impairment or metabolic conditions affecting urinary acidity.

  9. Contraindications and Precautions: Methenamine is contraindicated in patients with severe renal impairment, hepatic dysfunction, or urinary obstruction. It should be used cautiously in individuals with a history of urinary stones or metabolic acidosis.

  10. Drug Interactions: Methenamine may interact with certain medications, such as sulfonamides, that alkalinize urine, potentially reducing its effectiveness. It is essential to inform healthcare providers about all medications being taken to avoid potential interactions.

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βš—οΈ Compensation for antibiotic usage

Data Contradictions β€” Limits of Certainity

Impacted of methenamine (antibiotic) On Probiotics

Rank Probiotic Impact
species Escherichia coli Reduces

Bacteria Impacted by methenamine (antibiotic)

We extend modifiers to include items that changes the parent and child taxa. I.e. for a species, that would be the genus that is belongs to and the strains in the species.

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Taxonomy Rank Effect Citations Notation
Morganellaceae family Decreases 👪 Source Study
Escherichia genus Decreases 👪 Source Study
Roseburia genus Decreases 👪 Source Study
Proteus genus Decreases 📓 Source Study Opportunistic urinary tract infections
Parabacteroides genus Decreases 👪 Source Study BMI, fat percent,blood pressure
Agathobacter genus Decreases 👪 Source Study
Bacteroides genus Decreases 👪 Source Study
Bilophila genus Decreases 👪 Source Study High Level Cause Brain Fog(Cognitive impairment)
Coprococcus genus Decreases 👪 Source Study
Mediterraneibacter genus Decreases 👪 Source Study
Streptococcus genus Decreases 👪 Source Study
Segatella genus Decreases 👪 Source Study
Escherichia coli O25:H16 no rank Decreases 👶 Source Study
environmental samples no rank Decreases 👶 Source Study
Escherichia coli O145:H34 no rank Decreases 👶 Source Study
Escherichia coli O16:H48 no rank Decreases 👶 Source Study
unclassified Proteus (in: enterobacteria) no rank Decreases 👶 Source Study
Escherichia coli O141:H4 no rank Decreases 👶 Source Study
Escherichia coli O139:H1 no rank Decreases 👶 Source Study
Escherichia coli O80:H26 no rank Decreases 👶 Source Study
Escherichia coli O158:H23 no rank Decreases 👶 Source Study
Escherichia coli O84:H7 no rank Decreases 👶 Source Study
Escherichia coli O2:K1:H4 no rank Decreases 👶 Source Study
Escherichia coli O2:K1:H7 no rank Decreases 👶 Source Study
Escherichia coli O78:H51 no rank Decreases 👶 Source Study
Escherichia coli O18ac:H14 no rank Decreases 👶 Source Study
Escherichia coli O85:H1 no rank Decreases 👶 Source Study
Escherichia coli O7:H15 no rank Decreases 👶 Source Study
Escherichia coli O68:H12 no rank Decreases 👶 Source Study
Escherichia coli O55:H7 no rank Decreases 👶 Source Study
Escherichia coli O1:K1:H7 no rank Decreases 👶 Source Study
Escherichia coli O15:H12 no rank Decreases 👶 Source Study
Escherichia coli O170:H18 no rank Decreases 👶 Source Study
Escherichia coli O155:H21 no rank Decreases 👶 Source Study
Escherichia coli O19:H7 no rank Decreases 👶 Source Study
Escherichia coli O2:K1:H5 no rank Decreases 👶 Source Study
Escherichia coli O20:H12 no rank Decreases 👶 Source Study
Escherichia coli O111 serogroup Decreases 👶 Source Study
Escherichia coli O121 serogroup Decreases 👶 Source Study
Escherichia coli O155 serogroup Decreases 👶 Source Study
Escherichia coli O177 serogroup Decreases 👶 Source Study
Escherichia coli O26 serogroup Decreases 👶 Source Study
Escherichia coli O3 serogroup Decreases 👶 Source Study
Escherichia coli O5 serogroup Decreases 👶 Source Study
Escherichia coli O86 serogroup Decreases 👶 Source Study
Escherichia coli O91 serogroup Decreases 👶 Source Study
Escherichia coli O103 serogroup Decreases 👶 Source Study
Escherichia coli O78 serogroup Decreases 👶 Source Study
Escherichia coli O43 serogroup Decreases 👶 Source Study
Escherichia coli O119 serogroup Decreases 👶 Source Study
Escherichia coli O157 serogroup Decreases 👶 Source Study
Escherichia coli O145 serogroup Decreases 👶 Source Study
Escherichia coli O1:HNT serotype Decreases 👶 Source Study
Escherichia coli O10:K5(L):H4 serotype Decreases 👶 Source Study
Escherichia coli O103:H11 serotype Decreases 👶 Source Study
Escherichia coli O103:H25 serotype Decreases 👶 Source Study
Escherichia coli O104:H21 serotype Decreases 👶 Source Study
Escherichia coli O111:H11 serotype Decreases 👶 Source Study
Escherichia coli O111:H8 serotype Decreases 👶 Source Study
Escherichia coli O112ac:H19 serotype Decreases 👶 Source Study
Escherichia coli O114:H49 serotype Decreases 👶 Source Study
Escherichia coli O118:H16 serotype Decreases 👶 Source Study
Escherichia coli O121:H7 serotype Decreases 👶 Source Study
Escherichia coli O123:H11 serotype Decreases 👶 Source Study
Escherichia coli O127:H27 serotype Decreases 👶 Source Study
Escherichia coli O127:H6 serotype Decreases 👶 Source Study
Escherichia coli O128:H2 serotype Decreases 👶 Source Study
Escherichia coli O128ac:H12 serotype Decreases 👶 Source Study
Escherichia coli O145:H25 serotype Decreases 👶 Source Study
Escherichia coli O145:NM serotype Decreases 👶 Source Study
Escherichia coli O146:H21 serotype Decreases 👶 Source Study
Escherichia coli O153:H2 serotype Decreases 👶 Source Study
Escherichia coli O156:H25 serotype Decreases 👶 Source Study
Escherichia coli O157:H43 serotype Decreases 👶 Source Study
Escherichia coli O157:NM serotype Decreases 👶 Source Study
Escherichia coli O165:H25 serotype Decreases 👶 Source Study
Escherichia coli O174:H2 serotype Decreases 👶 Source Study
Escherichia coli O174:H21 serotype Decreases 👶 Source Study
Escherichia coli O174:H8 serotype Decreases 👶 Source Study
Escherichia coli O176:H45 serotype Decreases 👶 Source Study
Escherichia coli O177:NM serotype Decreases 👶 Source Study
Escherichia coli O26:H1 serotype Decreases 👶 Source Study
Escherichia coli O28ac:NM serotype Decreases 👶 Source Study
Escherichia coli O29:H4 serotype Decreases 👶 Source Study
Escherichia coli O32:H37 serotype Decreases 👶 Source Study
Escherichia coli O6:H16:CFA/II serotype Decreases 👶 Source Study
Escherichia coli O69:H11 serotype Decreases 👶 Source Study
Escherichia coli O78:H12 serotype Decreases 👶 Source Study
Escherichia coli O79:H7 serotype Decreases 👶 Source Study
Escherichia coli O81:NM serotype Decreases 👶 Source Study
Escherichia coli O86:H34 serotype Decreases 👶 Source Study
Escherichia coli O91:H14 serotype Decreases 👶 Source Study
Escherichia coli O91:NM serotype Decreases 👶 Source Study
Escherichia coli ONT:H33 serotype Decreases 👶 Source Study
Escherichia coli O100:H21 serotype Decreases 👶 Source Study
Escherichia coli O121:H19 serotype Decreases 👶 Source Study
Escherichia coli O157:H7 serotype Decreases 👶 Source Study bloody diarrhea
Escherichia coli O16:H6 serotype Decreases 👶 Source Study
Escherichia coli O89m:H9 serotype Decreases 👶 Source Study
Escherichia coli O111:H- serotype Decreases 👶 Source Study
Escherichia coli O113:H21 serotype Decreases 👶 Source Study
Escherichia coli H20 serotype Decreases 👶 Source Study
Escherichia coli O150:H6 serotype Decreases 👶 Source Study
Escherichia coli O111:NM serotype Decreases 👶 Source Study
Escherichia coli O112ab:H8 serotype Decreases 👶 Source Study
Escherichia coli O99:H6 serotype Decreases 👶 Source Study
Escherichia coli O26:H11 serotype Decreases 👶 Source Study
Escherichia coli O145:H28 serotype Decreases 👶 Source Study
Escherichia coli O126:H45 serotype Decreases 👶 Source Study
Escherichia coli O2:H6 serotype Decreases 👶 Source Study
Escherichia coli O7:H4 serotype Decreases 👶 Source Study
Escherichia coli O1:H42 serotype Decreases 👶 Source Study
Escherichia coli O25:NM serotype Decreases 👶 Source Study
Escherichia coli O25:H1 serotype Decreases 👶 Source Study
Escherichia coli O7:K1 serotype Decreases 👶 Source Study
Escherichia coli O125ac:K+:H10 serotype Decreases 👶 Source Study
Escherichia coli O6:K2:H1 serotype Decreases 👶 Source Study
Escherichia coli O152:H23 serotype Decreases 👶 Source Study
Escherichia coli O15:H18 serotype Decreases 👶 Source Study
Escherichia coli O39:NM serotype Decreases 👶 Source Study
Escherichia coli O44:H18 serotype Decreases 👶 Source Study
Escherichia coli O2:K2:H1 serotype Decreases 👶 Source Study
Escherichia coli O8:H8 serotype Decreases 👶 Source Study
Escherichia coli O89m:H10 serotype Decreases 👶 Source Study
Escherichia coli O10:H32 serotype Decreases 👶 Source Study
Escherichia coli O6:H16 serotype Decreases 👶 Source Study
Escherichia coli O157:H- serotype Decreases 👶 Source Study
Escherichia coli O45:H2 serotype Decreases 👶 Source Study
Escherichia coli O103:H2 serotype Decreases 👶 Source Study
Escherichia coli O167:H26 serotype Decreases 👶 Source Study
Escherichia coli O104:H4 serotype Decreases 👶 Source Study
Escherichia coli O83:H1 serotype Decreases 👶 Source Study
Escherichia coli O9:H10 serotype Decreases 👶 Source Study
Escherichia coli O78:H4 serotype Decreases 👶 Source Study
Escherichia coli O139:H28 serotype Decreases 👶 Source Study
Mediterraneibacter gnavus species Decreases 📓 Source Study
Coprococcus comes species Decreases 📓 Source Study
Roseburia intestinalis species Decreases 📓 Source Study
Parabacteroides merdae species Decreases 📓 Source Study Infectious bacteria
Segatella copri species Decreases 📓 Source Study Over 70%ile Indicator of mycotoxin present
[Ruminococcus] torques species Decreases 📓 Source Study
Proteus mirabilis species Decreases 👶 Source Study
Escherichia coli species Decreases 📓 Source Study Diarrheal disease in children and travelers, Foodborne diarrhea outbreaks, hemorrhagic colitis, hemolytic-uremic syndrome
Bacteroides xylanisolvens species Decreases 📓 Source Study
Proteus genomosp. 6 species Decreases 👶 Source Study
Proteus hauseri species Decreases 👶 Source Study
Proteus myxofaciens species Decreases 👶 Source Study
Agathobacter rectalis species Decreases 📓 Source Study
Proteus vulgaris species Decreases 👶 Source Study
Bacteroides fragilis species Decreases 📓 Source Study H02076 Bacteroides infection
Streptococcus parasanguinis species Decreases 📓 Source Study
Proteus terrae species Decreases 👶 Source Study
Bilophila wadsworthia species Decreases 📓 Source Study
Proteus columbae species Decreases 👶 Source Study
Proteus penneri species Decreases 👶 Source Study

Impact of methenamine (antibiotic) on Conditions from US National Library of Medicine

A higher number indicates impact on more bacteria associated with the condition and confidence on the impact.

We have X bacteria high and Y low reported. We find that the modifier reduces some and increases other of these two groups. We just tally: X|reduces + Y|Increase = Positive   X|increases + Y|decrease = Negative.

Benefit Ratio:
Numbers above 0 have increasing positive effect.
Numbers below 0 have increasing negative effect.

Condition Positive Impact Negative Impact Benefit Ratio Impact
Abdominal Aortic Aneurysm 0.3 0.3
ADHD 1.6 0.3 4.33
Age-Related Macular Degeneration and Glaucoma 0.5 0.4 0.25
Allergic Rhinitis (Hay Fever) 2.3 0.8 1.87
Allergies 1.7 0.9 0.89
Allergy to milk products 1.1 1.3 -0.18
Alzheimer's disease 1.7 3.9 -1.29
Amyotrophic lateral sclerosis (ALS) Motor Neuron 1 0.5 1
Ankylosing spondylitis 2.2 1 1.2
Anorexia Nervosa 0.7 1.6 -1.29
Antiphospholipid syndrome (APS) 1.4 0.3 3.67
Asthma 1.7 1.1 0.55
Atherosclerosis 1.9 1.2 0.58
Atrial fibrillation 1.7 2.4 -0.41
Autism 4.4 4.7 -0.07
Autoimmune Disease 0.9 0.5 0.8
Barrett esophagus cancer 0.3 -0.3
benign prostatic hyperplasia 0.6 0.3 1
Biofilm 2 2
Bipolar Disorder 1.6 0.8 1
Brain Trauma 0.8 0.8 0
Breast Cancer 0.5 0.5
Carcinoma 1.9 0.7 1.71
Celiac Disease 1.8 1 0.8
Cerebral Palsy 0.6 0.8 -0.33
Chronic Fatigue Syndrome 1.7 2.4 -0.41
Chronic Kidney Disease 2.6 2 0.3
Chronic Lyme 0.8 -0.8
Chronic Obstructive Pulmonary Disease (COPD) 1.1 1.1 0
Chronic Urticaria (Hives) 1.4 0.7 1
Coagulation / Micro clot triggering bacteria 1.8 0.8 1.25
Cognitive Function 1 0.8 0.25
Colorectal Cancer 3.1 1.6 0.94
Constipation 0.9 0.5 0.8
Coronary artery disease 2.3 1.5 0.53
COVID-19 2.7 3.8 -0.41
Crohn's Disease 4.5 1.9 1.37
Cushing's Syndrome (hypercortisolism) 0.3 -0.3
cystic fibrosis 1.1 0.8 0.38
d-lactic acidosis (one form of brain fog) 0.5 0.5
deep vein thrombosis 2 1.1 0.82
Denture Wearers Oral Shifts 0.3 0.3
Depression 3.4 4.8 -0.41
Dermatomyositis 0.3 0.3
Eczema 1.6 0.4 3
Endometriosis 2.4 1.3 0.85
Eosinophilic Esophagitis 0.3 -0.3
Epilepsy 1.8 1.3 0.38
erectile dysfunction 0.9 0.9
Fibromyalgia 1.6 1.5 0.07
Functional constipation / chronic idiopathic constipation 3.1 2.9 0.07
gallstone disease (gsd) 2.9 0.5 4.8
Gastroesophageal reflux disease (Gerd) including Barrett's esophagus 0.1 0.3 -2
Generalized anxiety disorder 2.6 0.9 1.89
Glioblastoma 0.3 -0.3
Gout 1 0.3 2.33
Graves' disease 0.7 1.1 -0.57
Gulf War Syndrome 0.6 0.1 5
Halitosis 0.6 0.3 1
Hashimoto's thyroiditis 1.6 1.2 0.33
Heart Failure 3 0.8 2.75
hemorrhagic stroke 0.4 0.4
Hidradenitis Suppurativa 1.4 1.4
High Histamine/low DAO 2.3 2.3
hypercholesterolemia (High Cholesterol) 0.5 0.5
hyperglycemia 1.1 0.7 0.57
Hyperlipidemia (High Blood Fats) 0.3 0.3
hypersomnia 0.3 -0.3
hypertension (High Blood Pressure 2.8 1.8 0.56
Hypothyroidism 0.5 0.3 0.67
Hypoxia 1.8 1.8
IgA nephropathy (IgAN) 1 1.8 -0.8
Inflammatory Bowel Disease 3.4 3.8 -0.12
Insomnia 0.9 1.4 -0.56
Intelligence 1.1 0.6 0.83
Intracranial aneurysms 0.7 0.3 1.33
Irritable Bowel Syndrome 4.1 1.8 1.28
ischemic stroke 1.5 1.7 -0.13
Liver Cirrhosis 3.6 2.2 0.64
Long COVID 3.7 2.1 0.76
Low bone mineral density 0.8 -0.8
Lung Cancer 0.9 0.9
Lymphoma 0.6 0.6
Mast Cell Issues / mastitis 0.9 0.3 2
ME/CFS with IBS 0.3 0.9 -2
ME/CFS without IBS 1 0.3 2.33
membranous nephropathy 0.3 0.3
Menopause 0.3 0.5 -0.67
Metabolic Syndrome 4.1 2.3 0.78
Mood Disorders 2.9 4.2 -0.45
multiple chemical sensitivity [MCS] 0.3 0.3
Multiple Sclerosis 1.7 2.8 -0.65
Multiple system atrophy (MSA) 0.1 0.1
myasthenia gravis 0.9 0.5 0.8
neuropathic pain 1.3 -1.3
Neuropathy (all types) 0.3 1.6 -4.33
neuropsychiatric disorders (PANDAS, PANS) 0.8 0.8
Nonalcoholic Fatty Liver Disease (nafld) Nonalcoholic 2.8 1.9 0.47
NonCeliac Gluten Sensitivity 0.3 0.3 0
Obesity 5.6 2.7 1.07
obsessive-compulsive disorder 2.2 3 -0.36
Osteoarthritis 1.8 0.6 2
Osteoporosis 1.4 0.6 1.33
pancreatic cancer 0.3 0.3 0
Parkinson's Disease 5 3.9 0.28
Polycystic ovary syndrome 3.8 1.4 1.71
Postural orthostatic tachycardia syndrome 0.3 -0.3
Premenstrual dysphoric disorder 0.4 -0.4
primary biliary cholangitis 0.3 0.3 0
Primary sclerosing cholangitis 1.6 1.4 0.14
Psoriasis 0.9 2.4 -1.67
rheumatoid arthritis (RA),Spondyloarthritis (SpA) 5 1.5 2.33
Rosacea 0.6 0.5 0.2
Schizophrenia 1.6 1.6 0
scoliosis 1.3 0.3 3.33
sensorineural hearing loss 0.5 0.5
Sjögren syndrome 1.9 1 0.9
Sleep Apnea 0.3 1.1 -2.67
Slow gastric motility / Gastroparesis 0.8 0.8
Small Intestinal Bacterial Overgrowth (SIBO) 1.9 1.9
Stress / posttraumatic stress disorder 1.8 1.6 0.13
Systemic Lupus Erythematosus 3 0.5 5
Tic Disorder 0.3 0.6 -1
Tourette syndrome 0.3 0.3 0
Type 1 Diabetes 1.9 1.1 0.73
Type 2 Diabetes 4.3 2.5 0.72
Ulcerative colitis 2.8 2.6 0.08
Unhealthy Ageing 2.6 1.5 0.73
Vitiligo 1.1 1.1 0

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