Famvir and Effexor xr drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Famvir and Effexor xr. Common interactions include diarrhoea among females and injury among males.
The phase IV clinical study analyzes what interactions people who take Famvir and Effexor xr have. It is created by eHealthMe based on reports of 41 people who take Famvir and Effexor xr from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.
Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
41 people who take Famvir and Effexor xr together, and have interactions are studied.
What is Famvir?
Famvir has active ingredients of famciclovir. It is often used in herpes labialis (oral herpes simplex). eHealthMe is studying from 3,006 Famvir users for its effectiveness, alternative drugs and more.
What is Effexor xr?
Effexor xr has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 34,584 Effexor xr users for its effectiveness, alternative drugs and more.
Number of Famvir and Effexor xr reports submitted per year:

Common Famvir and Effexor Xr drug interactions by gender *:
female:
- Diarrhoea
- Abdominal discomfort
- Adenoma benign
- Anaemia
- Anhedonia
- Aortic valve sclerosis
- Arthralgia
- Arthritis
- Bone pain
- Cardiac murmur
male:
- Injury
- Pain
- Neck pain
- Oedema peripheral
- Pain in jaw
- Spinal disorder
- Type 2 diabetes mellitus
- Blindness transient
- Loss of consciousness
- Road traffic accident
Common Famvir and Effexor Xr drug interactions by age *:
0-1:
n/a
2-9:
n/a
10-19:
n/a
20-29:
n/a
30-39:
n/a
40-49:
- Abdominal pain
- Diarrhoea
- Nausea
- Somnolence
- Vomiting
50-59:
- Anaemia
- Mouth ulceration
- Fatigue
- Dizziness
- Dysphagia
- Hypertension
- Chest pain
- Tendonitis
- Chills
- Fall
60+:
- Anaemia
- Bone pain
- Headache
- Injury
- Leukopenia
- Mouth ulceration
- Muscle spasms
- Myoclonus
- Nausea
- Neck pain
Common conditions people have *:
- Upper Respiratory Tract Infection: 13 people, 31.71%
- Restless Leg Syndrome (a powerful urge to move your legs): 13 people, 31.71%
- Pain: 13 people, 31.71%
- Muscle Spasms (muscle contraction): 13 people, 31.71%
- Multiple Myeloma (cancer of the plasma cells): 13 people, 31.71%
- Bone Lesion (bone with abnormalities. bone lesions can result from growth formations, infections, or injuries): 13 people, 31.71%
- Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 9.76%
- Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 7.32%
* Approximation only. Some reports may have incomplete information.
Do you take Famvir and Effexor xr?
Personalize this study to your gender and ageHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
Related studies
Alternative drugs to, pros and cons of the 2 drugs:
- Famvir (3,006 reports)
- Effexor xr (34,584 reports)
Common Famvir and Effexor xr interactions:
- Neck pain: 28 reports
Browse all drug interactions of Famvir and Effexor xr:
a b c d e f g h i j k l m n o p q r s t u v w x y zCommon Famvir side effects:
- Pain: 446 reports
- Stress and anxiety: 405 reports
- Fatigue (feeling of tiredness): 351 reports
- Weakness: 304 reports
- Rashes (redness): 293 reports
- Fever: 267 reports
Browse all side effects of Famvir:
a b c d e f g h i j k l m n o p q r s t u v w x y zCommon Effexor xr side effects:
- Stress and anxiety: 2,666 reports
- Dizziness: 2,487 reports
- Drug ineffective: 2,362 reports
- Depression: 2,301 reports
- Headache (pain in head): 2,272 reports
- Fatigue (feeling of tiredness): 1,980 reports
Browse all side effects of Effexor xr:
a b c d e f g h i j k l m n o p q r s t u v w x y zCommon Famvir interactions:
- Famvir and Prednisone: 371 reports
- Famvir and Bactrim: 353 reports
- Famvir and Zometa: 345 reports
- Famvir and Aredia: 301 reports
- Famvir and Neurontin: 299 reports
- Famvir and Nexium: 289 reports
- Famvir and Aspirin: 264 reports
- Famvir and Lasix: 256 reports
- Famvir and Prilosec: 252 reports
- Famvir and Diflucan: 231 reports
Browse all interactions between Famvir and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zCommon Effexor xr interactions:
- Effexor xr and Seroquel: 1,833 reports
- Effexor xr and Xanax: 1,587 reports
- Effexor xr and Aspirin: 1,536 reports
- Effexor xr and Wellbutrin: 1,524 reports
- Effexor xr and Synthroid: 1,497 reports
- Effexor xr and Neurontin: 1,411 reports
- Effexor xr and Lipitor: 1,304 reports
- Effexor xr and Lyrica: 1,299 reports
- Effexor xr and Ambien: 1,294 reports
- Effexor xr and Klonopin: 1,288 reports
Browse all interactions between Effexor xr and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zHow the study uses the data?
The study uses data from the FDA. It is based on famciclovir and venlafaxine hydrochloride (the active ingredients of Famvir and Effexor xr, respectively), and Famvir and Effexor xr (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study. Patients in the study may take other drugs besides Famvir and Effexor xr.
Who is eHealthMe?
With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 600+ medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).
WARNING, DISCLAIMER, USE FOR PUBLICATION
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.
If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.
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