Question: How Much Water Should You Drink When Taking Acyclovir?

What drugs interact with acyclovir?

Most frequently checked interactionsAbreva (docosanol topical)Advil (ibuprofen)Ambien (zolpidem)amoxicillin.aspirin.Aspirin Low Strength (aspirin)Bactrim (sulfamethoxazole / trimethoprim)Benadryl (diphenhydramine)More items….

How quickly do antivirals work on shingles?

Antiviral medications — Antiviral medications stop the virus from multiplying, help the rash to heal more quickly, and reduce the severity and duration of pain. Antiviral treatment should be started as soon as possible, as it is most effective when started within 72 hours after the shingles rash appears.

Does taking acyclovir prevent transmission?

Powerful anti-herpes drugs — acyclovir (Zovirax), famciclovir (Famvir), and valacyclovir (Valtrex) — prevent most outbreaks in most people. But they don’t eliminate virus hiding in nerve cells. Recent clinical trials failed to show that herpes drugs could prevent herpes transmission.

Can I take 2 acyclovir at a time?

What should I do if I missed a dose of Acyclovir (Zovirax)? Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

How many times a day should I take 400 mg acyclovir?

Adults and children 12 years of age and older—200 to 400 mg two to five times a day for five days or up to twelve months, depending on how often your outbreaks of infection occur.

How much acyclovir should I take for an outbreak?

A standard valacyclovir dosage for recurrent genital herpes outbreaks is 500 mg twice per day for three days.

Does acyclovir weaken immune system?

This medication may rarely cause a life-threatening disorder that affects the blood cells, kidneys, and other parts of the body. This disorder is more likely to occur if you have conditions related to a weakened immune system (such as HIV disease, bone marrow transplant, kidney transplant).

How long after starting acyclovir are you contagious?

You can spread the virus even when you don’t have any symptoms of a cold sore, though you’re usually most contagious when you have them. However, this is much less likely than if contact occurred when a cold sore was present. Cold sores are contagious until they go away completely, which usually takes about two weeks.

Can acyclovir make you sleepy?

Acyclovir oral tablet doesn’t cause drowsiness but it can cause other side effects.

Is acyclovir hard on the kidneys?

Although the drug is well tolerated, severe nephrotoxicity, which often leads to acute renal failure, has been observed in patients [4, 7]. Acyclovir-induced renal failure occurs in approximately 12–48 % of cases [4].

How long do antivirals take to work?

For most initial herpes outbreaks and cases of recurring herpes, valacyclovir takes effect very quickly and provides some level of relief in as little as two to three days. Generally, the sooner you take valacyclovir after noticing symptoms, the faster it will be to provide relief.

When should I take acyclovir?

The tablets, capsules, and suspension are usually taken with or without food two to five times a day for 5 to 10 days, starting as soon as possible after your symptoms begin. When acyclovir is used to prevent outbreaks of genital herpes, it is usually taken two to five times a day for up to 12 months.

Why do you have to drink water with acyclovir?

Drink plenty of water while you are taking acyclovir to keep your kidneys working properly. Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely treated. Acyclovir will not treat a viral infection such as the flu or a common cold.

Can you drink when taking acyclovir?

Alcohol will not interfere with the way the antiviral drugs works. Acyclovir will still be effective.

How long does it take acyclovir to work?

May take up to two hours to reach peak plasma concentrations after oral acyclovir administration. May take up to three days for symptom reduction; however, acyclovir should be taken until the course prescribed is completed. Acyclovir works best when started within 48 hours of symptom onset.

Does acyclovir speed up healing?

It can speed up healing of the sores and decrease symptoms (such as tingling, pain, burning, itching). Acyclovir belongs to a class of medications known as antivirals. It works by stopping the growth of the virus. This medication does not cure herpes, and it does not prevent passing the infection to someone else.