Tegretol and Valacyclovir hydrochloride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Tegretol (carbamazepine) and Valacyclovir hydrochloride (valacyclovir hydrochloride). Common drug interactions include intervertebral disc protrusion among females and amnesia among males.

The phase IV clinical study analyzes what interactions people have when they take Tegretol and Valacyclovir hydrochloride. It is created by eHealthMe based on reports of 13 people who take the same drugs from the FDA, and is updated regularly.

What is Tegretol?

Tegretol has active ingredients of carbamazepine. It is often used in epilepsy. eHealthMe is studying from 45,969 Tegretol users. Check the latest studies of Tegretol.

What is Valacyclovir hydrochloride?

Valacyclovir hydrochloride has active ingredients of valacyclovir hydrochloride. It is often used in herpes zoster. eHealthMe is studying from 12,929 Valacyclovir hydrochloride users. Check the latest studies of Valacyclovir hydrochloride.

On Jul, 06, 2026

13 people who take Tegretol and Valacyclovir hydrochloride together, and have interactions are studied.

Tegretol and Valacyclovir hydrochloride drug interactions.

What are the common drug interactions of Tegretol and Valacyclovir Hydrochloride, by gender? *:

female:

Intervertebral disc protrusion (spinal disc protrusion)
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Syncope (loss of consciousness with an inability to maintain postural tone)
Diarrhoea
Hypertension (high blood pressure)
Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Sinusitis (inflammation of sinus)
Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)
Toxic epidermal necrolysis (a rare, life-threatening skin condition that is usually caused by a reaction to drugs causes wide spread skin destruction)
Vomiting

male:

Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Cellulitis (infection under the skin)
Confusional state
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Alanine aminotransferase increased
Aspartate aminotransferase increased
Cholestasis (a condition where bile cannot flow from the liver to the duodenum)
Cytolytic hepatitis (dissolution or destruction of a liver cell)
Aspartate aminotransferase decreased
Bicytopenia (two parameters from the full blood count are low, the term bicytopenia can be used)
C-reactive protein increased
Gamma-glutamyltransferase increased
Haemodilution (increase in the volume of plasma in relation to red blood cells)
Haemoglobin decreased

30-39:

Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)
Toxic epidermal necrolysis (a rare, life-threatening skin condition that is usually caused by a reaction to drugs causes wide spread skin destruction)

40-49:

n/a

50-59:

Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Sinusitis (inflammation of sinus)
Syncope (loss of consciousness with an inability to maintain postural tone)

60+:

Diarrhoea
Hypertension (high blood pressure)
Atrioventricular block second degree (heart block second degree)
Back pain
Balance disorder
Blood cholesterol increased
Blood pressure increased
Brain death
Cardiac disorder
Carotid artery stenosis (narrowing of carotid artery)

What are the existing conditions these people have? *

Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 23.08%
Drowsiness: 3 people, 23.08%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 23.08%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 23.08%
Trigeminal Neuralgia (a painful condition of the nerve responsible for most facial sensation): 1 person, 7.69%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 7.69%
Cellulitis (infection under the skin): 1 person, 7.69%
Diarrhea: 1 person, 7.69%
Fever: 1 person, 7.69%
Fungal Infection: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

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