Penicillin

Uses	Bacterial infection
Therapy	Antibiotic
Side Effects	Nausea, diarrhoea, application site reaction

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Molecule Description

Penicillin is an antibiotic medicine. It is used for the treatment and prevention of various bacterial infections such as skin infections, sexually transmitted diseases, rheumatic fever, etc. It contains benzylpenicillin, also known as penicillin G as its active ingredient. This medicine will be given to you by a doctor or nurse in a hospital or clinic. Do not self-inject this medicine. Please follow any aftercare instructions given by your doctor. Before using Penicillin, inform your doctor if you are pregnant, planning a pregnancy or breastfeeding and about your detailed medical history.

Uses

For the treatment and prevention of bacterial infections such as skin infection, sexually transmitted diseases like syphilis, rheumatic fever (that affects joints, heart, and skin), etc.

Contraindications

When should one not use Penicillin

If you are allergic to penicillin or similar antibiotics or any of the ingredients of this medicine.
If you have a history of previous allergic reactions upon the use of antibiotic medicines containing cephalosporin, carbapenem, or monobactam. If you are not sure about these medicines, ask your doctor.

Side effects

Common side effects of this drug are:

Nausea
Diarrhoea
Pain and swelling at the site of application

Precautions and Warnings

Pregnancy

Consult your doctor before taking Penicillin during pregnancy. This medicine can be used during pregnancy after careful consideration of the benefits and risks by the prescribing doctor. Tell your doctor if you are or may be pregnant before taking this medicine.

Breast Feeding

Tell your doctor if you are breastfeeding before taking Penicillin. Components of this medicine pass into breast milk. A breastfed baby should be watched for fungal infections of mouth and diarrhoea, if this happens discontinue breastfeeding.

Driving

Penicillin can affect the ability to drive, hence avoid driving immediately after taking this medicine.

Alcohol

Avoid consuming alcohol with Penicillin as it is known to affect the immune response of an individual which is very critical in combating infection.

Other General Warnings

Talk to your doctor if

You have or ever had an allergic reaction to other antibiotics like penicillin or other beta-lactam antibiotics.
You have any pre-existing medical condition.
Your liver and kidneys are not functioning properly, in this case, dose adjustment may be required.
You experience any allergic symptoms such as rashes, difficulty in breathing, itching after taking this medicine.
You have asthma, have a fever or any kind of previously known allergy.
Regular monitoring of liver and kidney function may be required when you are taking this medicine.

Mode of Action

How Does It Work?

Penicillin works by inhibiting the cell wall formation in bacteria and thereby killing the bacteria.

Interactions

Interactions with other medicines

Some medicines can affect the way Penicillin works or this medicine itself can affect the action of other medicines taken at the same time.
Tell your doctor about all the medicines, herbals, or supplements you are currently taking or might take to avoid any possible interactions.
Especially if you are taking any other antibiotics, medicines for the treatment of gout, anticoagulants and medicines used in chemotherapy like methotrexate. If you are not sure about these medicines, ask your doctor.

Dosage

Overdose

It is less likely that you will get an overdose of this medicine as it is given by a healthcare professional. If an overdose is suspected, inform your doctor.

Missed a Dose

It is less likely that a dose of this medicine will be missed since it is to be given under medical supervision. If you think that you have not been given a dose, talk to your doctor immediately.