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

Summary:

Drug interactions are reported among people who take Lamotrigine (lamotrigine) and Valacyclovir hydrochloride (valacyclovir hydrochloride). Common drug interactions include gallbladder non-functioning among females and cholangitis among males.

The phase IV clinical study analyzes what interactions people have when they take Lamotrigine and Valacyclovir hydrochloride. It is created by eHealthMe based on reports of 72 people who take the same drugs from the FDA, and is updated regularly.

What is Lamotrigine?

Lamotrigine has active ingredients of lamotrigine. It is often used in bipolar disorder. eHealthMe is studying from 76,638 Lamotrigine users. Check the latest studies of Lamotrigine.

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 Aug, 01, 2026

72 people who take Lamotrigine and Valacyclovir hydrochloride together, and have interactions are studied.

Lamotrigine and Valacyclovir hydrochloride drug interactions.

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

female:

Gallbladder non-functioning
Glomerular filtration rate decreased
High density lipoprotein increased
Homeless
Lipodystrophy acquired (a regional loss of subcutaneous adipose tissue which usually starts in the face, extends downward acquired)
Loss of employment
Mean cell haemoglobin concentration decreased (less concentration of haemoglobin in a given volume of packed red blood cells)
Myalgia (muscle pain)
Obesity (having too much body fat)
Oropharyngeal pain

male:

Cholangitis (infection of the bile duct)
Drug ineffective
Fatigue (feeling of tiredness)
Hypersomnia (excessive daytime sleepiness (eds))
Lethargy (tiredness)
Plasma cell myeloma (cancer that begins in plasma cells)
Renal failure (kidney dysfunction)
Chest pain
Diaphragmatic disorder
Feeling hot

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Abdominal pain
Amenorrhoea (absence of a menstrual period in a woman of reproductive age)
Back pain
Breast tenderness
Decreased appetite
Device dislocation
Dizziness
Dyspareunia (painful sexual intercourse)
Dyspnoea (difficult or laboured respiration)
Fatigue (feeling of tiredness)

30-39:

Abortion spontaneous (naturally occurring miscarriage)
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Dyspnoea (difficult or laboured respiration)
Hallucination (an experience involving the perception of something not present)
Malaise (a feeling of general discomfort or uneasiness)
Maternal exposure during pregnancy (use of substance during pregnancy)
Pain
Vomiting
Chest pain

40-49:

Hypertension (high blood pressure)
Hypoaesthesia (reduced sense of touch or sensation)
Hypokinesia (decreased bodily movement)
Memory impairment
Migraine (headache)
Muscle spasms (muscle contraction)
Muscular weakness (muscle weakness)
Nausea (feeling of having an urge to vomit)
Neuralgia (pain in one or more nerves)
Sensory disturbance (sense disturbance)

50-59:

Dizziness
Drug ineffective
Fatigue (feeling of tiredness)
Hypersomnia (excessive daytime sleepiness (eds))
Lethargy (tiredness)
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Bone density decreased
Chronic kidney disease
Diarrhoea

60+:

Bronchopulmonary aspergillosis (lung disorder caused by aspergillus fungi)
Pyrexia (fever)
Hepatic lesion
Lung disorder (lung disease)
Lung neoplasm (tumour of lung)
Splenomegaly (enlargement of spleen)
Biliary tract infection
Dermatitis allergic (inflammation of the skin due allergic reaction)
Diarrhoea
Dry skin

What are the existing conditions these people have? *

Depression: 21 people, 29.17%
Pain: 9 people, 12.50%
Stress And Anxiety: 6 people, 8.33%
Hiv Infection: 6 people, 8.33%
Herpes Virus Infection: 6 people, 8.33%
High Blood Pressure: 6 people, 8.33%
Nausea (feeling of having an urge to vomit): 6 people, 8.33%
Multiple Myeloma (cancer of the plasma cells): 5 people, 6.94%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 5 people, 6.94%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 6.94%

* Approximation only. Some reports may have incomplete information.

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