Type your drug name (like Atorvastatin, Sildenafil, etc)
Valacyclovir Coupon - Valacyclovir 1g tablet
VALACYCLOVIR is an antiviral medicine. It is used to treat or prevent infections caused by certain kinds of viruses. Examples of these infections include herpes and shingles. This medicine will not cure herpes. The lowest GoodRx price for the most common version of valacyclovir is around $23.40, 90% off the average retail price of $257.27. Compare herpes virus nucleoside analogues.
Prescription Settings
30 tablets
Valacyclovir Coupon - Valacyclovir 1g tablet
30 tablets

Valtrex Side Effects

What should I watch for?

Tell your doctor or health care professional if your symptoms do not start to get better after 1 week.

This medicine works best when taken early in the course of an infection, within the first 72 hours. Begin treatment as soon as possible after the first signs of infection like tingling, itching, or pain in the affected area.

It is possible that genital herpes may still be spread even when you are not having symptoms. Always use safer sex practices like condoms made of latex or polyurethane whenever you have sexual contact.

You should stay well hydrated while taking this medicine. Drink plenty of fluids.


Common and Rare Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common


feeling sad or empty


lack of appetite

loss of interest or pleasure


trouble concentrating

trouble sleeping


Black, tarry stools

chest pain



decreased frequency or output of urine


flu-like symptoms


lower back or side pain

reduced mental alertness

shortness of breath

yellow eyes or skin

Incidence not known

Actions that are out of control



back, leg, or stomach pains

bleeding gums

blood in urine or stools

blurred vision

change in consciousness

change in mental status

changes in behavior, especially in interactions with other people

changes in patterns and rhythms of speech

dark or bloody urine

difficult or labored breathing

difficulty speaking

difficulty swallowing



dry mouth

fast, pounding, or irregular heartbeat or pulse

feeling that others are watching you or controlling your behavior

feeling that others can hear your thoughts

feeling, seeing, or hearing things that are not there

general tiredness and weakness


increased thirst


lightheadedness when getting up from a lying or sitting position

light-colored stools

loss of consciousness

mood or mental changes

nausea and vomiting


pale color of skin

pinpoint red spots on the skin

pounding in the ears

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

redness of the skin


seeing, hearing, or feeling things that are not there


severe mood or mental changes

shakiness and unsteady walk

shakiness in the legs, arms, hands, or feet

skin rash

slurred speech

sores, ulcers, or white spots on the lips or in the mouth

stiff neck

swelling of the face, fingers, or lower legs

swollen or painful glands

talking, feeling, and acting with excitement

tightness in the chest

trembling or shaking of the hands or feet

trouble in speaking

troubled breathing

unsteadiness, trembling, or other problems with muscle control or coordination

unusual behavior

unusual bleeding or bruising

unusual tiredness or weakness

upper right abdominal pain


weight gain


Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Body aches or pain


difficulty in moving

ear congestion

heavy bleeding

loss of voice

muscle aches

muscle pain or stiffness

nasal congestion


pain in joints


sore throat

stuffy or runny nose

Incidence not known

Blistering, peeling, or loosening of the skin

hair loss or thinning of the hair

hives or welts

increased sensitivity of skin to sunlight

red, irritated eyes

redness or other discoloration of the skin

severe sunburn

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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GoodRx is not sponsored by or affiliated with any of the pharmacies identified in its price comparisons. All trademarks, brands, logos and copyright images are property of their respective owners and rights holders and are used solely to represent the products of these rights holders. This information is for informational purposes only and is not meant to be a substitute for professional medical advice, diagnosis or treatment. GoodRx is not offering advice, recommending or endorsing any specific prescription drug, pharmacy or other information on the site. GoodRx provides no warranty for any of the pricing data or other information. Please seek medical advice before starting, changing or terminating any medical treatment.
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