Whether you are preparing for a summer backpacking trip or working in a field with high public contact, AVAXIM 160U is a critical tool in your health toolkit. This vaccine provides robust, long-term protection against the Hepatitis A virus, ensuring your liver stays healthy while you explore the world.
What is AVAXIM 160U Used For?
AVAXIM 160U is an inactivated vaccine used to prevent Hepatitis A, a highly contagious liver infection. The virus is typically spread through contaminated food or water, or close contact with an infected person.
Medical professionals recommend this vaccine for:
- Travelers: Specifically, those visiting regions with higher infection rates (such as parts of Africa, Asia, and Central/South America).
- Occupational Safety: For healthcare workers, laboratory staff, or people working in childcare and sewage management.
- High-Risk Groups: Individuals with chronic liver disease or those whose lifestyle increases their risk of exposure.
AVAXIM 160U Ingredients
AVAXIM 160U is a sterile, cloudy-white suspension designed for safety and stability.
- Active Ingredient: Inactivated Hepatitis A virus (GBM strain). Each 0.5 mL dose contains 160 antigen units. Because the virus is “inactivated” (killed), it cannot give you Hepatitis A.
- Adjuvant: Aluminum hydroxide. This helps “wake up” your immune system, so it responds more effectively to the vaccine.
- Excipients: Small amounts of 2-phenoxyethanol (preservative), formaldehyde, and trace amounts of the antibiotic neomycin (used during the manufacturing process).
How AVAXIM 160U Works
Think of AVAXIM as a training simulation for your body.
When the inactivated virus enters your muscle, your immune system recognizes it as a foreign “invader.” Your white blood cells then create antibodies—specialized proteins designed to hunt and destroy the Hepatitis A virus.
Once these antibodies are made, your body “remembers” the virus. If you ever encounter the real, live virus in the future, your immune system will recognize it instantly and neutralize it before it can make you sick.
AVAXIM 160U Dosage
For adults and adolescents aged 16 and older, the protocol is straightforward:
- The Primary Dose: A single 0.5 mL injection, usually administered in the deltoid muscle (your upper arm).
- The Booster: To ensure you are protected for the long haul (potentially 10+ years), a second “booster” dose is recommended 6 to 12 months after the first shot, though it can be given up to 36 months later.
Potential Side Effects
Most people experience only very mild reactions that disappear within 24–48 hours.
- Common (at the site): Mild pain, redness, or a small bump where you got the needle.
- Common (general): A slight headache, feeling a bit tired (asthenia), or mild muscle aches.
- Gastrointestinal: Occasionally, you might feel a bit nauseous or have a decreased appetite.
- Rare: Fainting (especially common in teens due to “needle nerves”) or a mild fever.
Frequently Asked Questions
How soon am I protected after the shot?
It takes your body about 2 to 4 weeks to build up enough antibodies to be protected. Don’t wait until the day before your flight to get vaccinated!
Can I get this at the same time as other travel vaccines?
Yes. AVAXIM can usually be given alongside vaccines like Typhoid or Yellow Fever, as long as they are injected in different spots (e.g., different arms).
Is there anyone who shouldn’t get it?
You should skip it if you have a severe allergy to neomycin or if you had a bad reaction to a previous dose of a Hepatitis A vaccine. If you have a high fever on the day of your appointment, it’s best to reschedule.
Conclusion
AVAXIM 160U is a safe, professionally vetted vaccine that offers peace of mind. By taking a few minutes for a quick injection, you’re not just protecting your own liver—you’re helping stop the spread of a virus in your community and abroad.



