Famciclovir and Viagra drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Famciclovir (famciclovir) and Viagra (sildenafil citrate). Common drug interactions include pain among males.

The phase IV clinical study analyzes what interactions people have when they take Famciclovir and Viagra. It is created by eHealthMe based on reports of 30 people who take the same drugs from the FDA, and is updated regularly.

What is Famciclovir?

Famciclovir has active ingredients of famciclovir. It is often used in herpes zoster. eHealthMe is studying from 3,389 Famciclovir users. Check the latest studies of Famciclovir.

What is Viagra?

Viagra has active ingredients of sildenafil citrate. It is often used in erection problems. eHealthMe is studying from 63,865 Viagra users. Check the latest studies of Viagra.

On Jul, 07, 2026

30 people who take Famciclovir and Viagra together, and have interactions are studied.

Famciclovir and Viagra drug interactions.

What are the common drug interactions of Famciclovir and Viagra, by gender? *:

female:

n/a

male:

Pain
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Lipodystrophy acquired (a regional loss of subcutaneous adipose tissue which usually starts in the face, extends downward acquired)
Renal failure (kidney dysfunction)
Fatigue (feeling of tiredness)
Bone density decreased
Multiple injuries
Arthralgia (joint pain)
Dizziness
Malignant melanoma (skin cancer rises from melancytes)

What are the common drug interactions of Famciclovir and Viagra, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Emotional distress
Hallucination (an experience involving the perception of something not present)
Pain
Renal failure (kidney dysfunction)

40-49:

Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Chronic kidney disease
Depression
Emotional distress
Hallucination, auditory (perceiving sounds without auditory stimulus)
Lipodystrophy acquired (a regional loss of subcutaneous adipose tissue which usually starts in the face, extends downward acquired)
Myalgia (muscle pain)
Osteopenia (a condition where bone mineral density is lower than normal)
Pain

50-59:

Death
Acute myocardial infarction (acute heart attack)
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)
Depression
Emotional distress
Pain
Renal failure (kidney dysfunction)

60+:

Pain
Myalgia (muscle pain)
Emotional distress
Osteoporosis (bones weak and more likely to break)
Vitamin d deficiency
Angioedema (rapid swelling of the dermis)
Asthenia (weakness)
Back pain
Cardiac failure congestive
Chest pain

What are the existing conditions these people have? *

Hiv Infection: 12 people, 40.00%
High Blood Cholesterol: 5 people, 16.67%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 5 people, 16.67%
Pain: 4 people, 13.33%
High Blood Pressure: 4 people, 13.33%
Enlarged Prostate: 4 people, 13.33%
Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 3 people, 10.00%
Stress And Anxiety: 3 people, 10.00%
Depression: 3 people, 10.00%
Viral Infection: 3 people, 10.00%

* Approximation only. Some reports may have incomplete information.

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