Active Ingredient

Acillin

Acillin is a type of antibiotic that belongs to the penicillin class. It is commonly used to treat various bacterial infections.

Acillin works by stopping the growth of bacteria, making it effective in addressing infections in different parts of the body.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Acillin Brands

Ampicillin

Strengths 250mg, 500mg

Acillin Uses

Acillin is typically used to treat bacterial infections. It helps in managing infections by eliminating the bacteria causing them.

Respiratory tract infections
Ear infections
Skin infections
Urinary tract infections
Throat infections

How Acillin Works

Acillin works by interfering with the formation of the bacterial cell wall. This action causes the wall to weaken and eventually leads to the death of the bacteria.

As a penicillin antibiotic, it targets specific proteins in the bacteria, preventing them from building a strong cell wall.

This mechanism helps to eliminate the bacteria and treat the infection effectively.

Common side effects of Acillin

Not everyone who takes Acillin will experience side effects. Most side effects are mild and tend to resolve on their own.

Nausea
Diarrhea
Rash
Headache
Stomach upset
Dizziness
Itching

If you experience serious or persistent symptoms, contact your doctor for advice.

Take Acillin exactly as prescribed by your healthcare provider.
Avoid consuming alcohol in large quantities while taking this medication.
Inform your doctor about any allergies, especially to penicillin or other antibiotics.
Monitor for signs of an allergic reaction, such as rash or difficulty breathing, and seek medical help if they occur.
Do not use Acillin for viral infections like the common cold.

Always consult your doctor if you have any concerns or experience unusual symptoms.

Frequently Asked Questions

What is Acillin used for?

Acillin is used to treat various bacterial infections, including those of the respiratory tract, skin, and urinary tract.

How soon does Acillin start working?

The effects of Acillin may start within a few hours, but it may take a few days to notice significant improvement.

How long does Acillin stay in your system?

The duration Acillin stays in your system can vary, but it is typically cleared within a day or two after the last dose.

Can I take Acillin with other medications?

It’s important to inform your doctor about all medications you are taking to avoid potential interactions.

Is Acillin safe during pregnancy?

You should discuss with your doctor if Acillin is safe for you during pregnancy, as they can provide guidance based on your specific situation.