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

Summary:

Drug interactions are reported among people who take Klonopin (clonazepam) and Valacyclovir hydrochloride (valacyclovir hydrochloride). Common drug interactions include myalgia among females and drug ineffective among males.

The phase IV clinical study analyzes what interactions people have when they take Klonopin and Valacyclovir hydrochloride. It is created by eHealthMe based on reports of 40 people who take the same drugs from the FDA, and is updated regularly.

What is Klonopin?

Klonopin has active ingredients of clonazepam. It is often used in stress and anxiety. eHealthMe is studying from 65,112 Klonopin users. Check the latest studies of Klonopin.

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, 07, 2026

40 people who take Klonopin and Valacyclovir hydrochloride together, and have interactions are studied.

Klonopin and Valacyclovir hydrochloride drug interactions.

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

female:

Myalgia (muscle pain)
Obesity (having too much body fat)
Oropharyngeal pain
Palpitations (feelings or sensations that your heart is pounding or racing)
Pyrexia (fever)
Rhinorrhoea (watery mucus discharge from the nose)
Snoring
Somnolence (a state of near-sleep, a strong desire for sleep)
Suicidal ideation
Temperature intolerance (inability to go in temperature)

male:

Drug ineffective
Fatigue (feeling of tiredness)
Arthralgia (joint pain)
Burning sensation
Chest pain
Cluster headache (one-sided head pain with tearing)
Constipation
Depression
Dizziness
Emotional distress

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Colitis microscopic (inflammation of colon with diarrhoea and abdominal cramps)
Hyperhidrosis (abnormally increased sweating)
Oral herpes (viral infection of mouth)

40-49:

Dizziness
Fall
Folliculitis (infection of hair root)
Head injury
Headache (pain in head)
Injection site reaction
Insomnia (sleeplessness)
Malaise (a feeling of general discomfort or uneasiness)
Nasopharyngitis (inflammation of the nasopharynx)
Odynophagia (painful swallowing, in the mouth (oropharynx) or oesophagus)

50-59:

Drug ineffective
Fatigue (feeling of tiredness)
Dizziness
Hypersomnia (excessive daytime sleepiness (eds))
Lethargy (tiredness)
Androgen deficiency
Arthropathy
Back pain
Blood pressure decreased
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)

60+:

Abdominal discomfort
Drug hypersensitivity
Hip fracture
Hospitalisation
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development)
Intervertebral disc protrusion (spinal disc protrusion)
Joint effusion (presence of extra fluid in joint covering)
Jugular vein thrombosis (clot in jugular vein)
Local swelling (swelling at the site of some application of substance or injury)
Malaise (a feeling of general discomfort or uneasiness)

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 18 people, 45.00%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 11 people, 27.50%
Drowsiness: 10 people, 25.00%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 5 people, 12.50%
Hiv Infection: 5 people, 12.50%
Sleep Disorder: 4 people, 10.00%
Depression: 4 people, 10.00%
Fibromyalgia (a long-term condition which causes pain all over the body): 4 people, 10.00%
Inflammation: 4 people, 10.00%
High Blood Pressure: 4 people, 10.00%

* Approximation only. Some reports may have incomplete information.

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