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Generic name: hepatitis A adult vaccine [HEP-a-TYE-tis] Brand names: Havrix, Vaqta
Drug class: viral vaccines

What is Hepatitis A vaccine?

Hepatitis is a very serious illness caused by an infection. Hepatitis can cause liver inflammation, vomiting, and jaundice (yellowing of the eyes or skin). Hepatitis can increase the risk of cancerous liver disease, cirrhosis, or even death.The vaqta is used to combat this illness in adults.

The vaccine is effective by exposing you to a tiny dose of the virus that causes your body to become immune to the illness. The vaccine is not able to treat an active disease that has already started to develop within your body.

Vaccination using Vaqta should be considered for everyone who plans to visit certain regions of the world in which hepatitis B is a prevalent disease.As with all vaccines, the Hepatitis A vaccine might not offer the same protection against illness for all people.

Side effects of Hepatitis A vaccine

See a doctor immediately. Get medical attention immediately if you notice symptoms or warning signs of an allergic response, like hives, trouble breathing, and swelling of your lips, face, and tongue.

You shouldn't take a booster vaccination in the event of an allergic reaction that could be life-threatening following the first vaccination.

Note down any side reactions you experience after receiving the vaccine. If you get an additional dose, you'll need to inform your doctor if your previous shot has caused any adverse side effects.

Vaqta can cause severe adverse effects. Consult a physician immediately if you are experiencing:

  • Extreme tiredness and fainting extreme drowsiness, fainting
  • Extremely high temperature (within several hours or even a few days after the vaccination).

Common adverse effects of Vaqta could be:

  • Headache
  • Swelling and redness. Or warmth at the site where the shot was administered.

This list does not comprise all possible side effects; others could arise. Consult your physician to seek medical advice on adverse effects. You may report adverse reactions to the US Department of Health and Human Services at 1-800-822-7967.

Similar or related drugs

Twinrix, hepatitis, an adult vaccine, and Havrix


Talk to your doctor if you are taking other medications or have any medical conditions or allergies.

Before you take this drug

The hepatitis A vaccine cannot safeguard against infection caused by hepatitis B, C, and E or other viruses that can affect the liver. It could also not shield against hepatitis A, even if you're already suffering from the virus despite not having symptoms.

It is not recommended to receive this vaccine if you've ever experienced a life-threatening allergic reaction to a vaccine that contains the virus hepatitis A or are sensitive to Neomycin.

Speak with your physician immediately if you have ever experienced:

  • An allergy an allergy to rubber latex
  • A weak immune system (caused through illness or taking certain medicines)

Inform your doctor immediately if you are breastfeeding or pregnant.

How to take Hepatitis A vaccine?

The vaccine is administered as an injectable shot into the muscle. You can receive this injection at a doctor's office or in a clinic.

You will be given a shot of this hepatitis A vaccine and another booster shot between 6 and 18 months later.

To avoid contracting Hepatitis A when traveling You should get this vaccination at least 2 weeks prior to the date of your trip. Your physician will decide the most effective dose schedule for your particular situation.

Your doctor might suggest treatment for pain and fever with an aspirin-free pain reliever like Acetaminophen (Tylenol) as well as ibuprofen (Motrin, Advil, and many others) after the shot has been taken and for the next 24 hours. Follow the directions on the label or the prescription from your doctor regarding the dosage of Vaqta to use.

What happens if I miss the dose?

Consult your physician if you do not receive a booster dose or if you are late. The next dose must be administered promptly. There is no reason to restart.

You must take all doses that are recommended for this vaccine; otherwise, you could not be completely protected from the disease.

What happens if I overdose?

A dose of the vaccine that is too high is not likely to occur.

What should be avoided?

Follow your doctor's advice regarding any dietary restrictions or beverages.

Interaction with other drug

Before you get this vaccine, inform your doctor about any other vaccinations you've received recently.

Inform your doctor if you've recently taken any medications or received any treatments that could weaken your immune system, for example:

  • Steroid medicine;
  • Treatment for cancer treatments;
  • Medications to treat the symptoms of psoriasis, rheumatoid arthritis, or other auto-immune disorders; treatment for autoimmune disorders such as
  • Medications for treating or preventing organ donation

If you're using one of the drugs listed above, you might not be able to receive the vaccine or have to wait until other treatments have been completed.

This list isn't exhaustive. Other medications can affect the Hepatitis A vaccine, such as prescription and over-the-counter medicines, vitamins, and herbal remedies. There are many possible interactions between drugs. Are listed here.