Valacyclovir (Systemic)
Brand Names : Valtrex
Side Effects of This MedicineAlong with its needed effects, a medicine may cause some unwanted effects.
Although not all of these side effects may occur, if they do they may need medical
attention.
Check with your doctor as soon as possible if the following side effect occurs:
Rare
Black, tarry stools; chest pain; chills; cough; decreased frequency/output of
urine; fever; flu-like symptoms; headache; lower back/side pain; reduced mental
alertness; shortness of breath; unusual tiredness; yellow eyes or skin
Frequency not determined
Back, leg or stomach pains; changes in behavior, especially in interactions with
other people; difficulty breathing or swallowing; fast, pounding, or irregular
heartbeat; high blood pressure; itching; lightheadedness when getting up from
a lying or sitting position; redness of skin; seeing, hearing, or feeling things
that are not there; skin rash; swelling or puffiness of face, hands, legs, or
feet; wheezing
Symptoms of overdose with intravenous acyclovir
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Note:
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Because the information on valacyclovir overdose is limited,
information on intravenous acyclovir overdose is provided. In the body,
valacyclovir is converted into acyclovir.
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Anxiety; convulsions (seizures); decrease in urine output; decreased
frequency of urination; dry mouth; hallucinations (seeing, hearing, or feeling things that are not there); irritability; loss of consciousness; lower back/side pain; nervousness; restlessnessOther 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. However, check with your doctor if any
of these side effects continue or are bothersome:
Frequency not determined
Anxiety; dry mouth; irritability; mood or mental changes; nervousness; restlessnessOther side effects not listed above may also occur in
some patients. If you notice any other effects, check with your doctor.
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