Durapen Injection

Durapen Injection is an antibiotic used to treat a variety of bacterial infections. It is effective in treating sore throat and sexually transmitted diseases like Syphilis. This medicine is also used to prevent some bacterial infections such as Rheumatic fever.

Durapen Injection is a long-acting type of penicillin, which mainly fights and stops the growth of the gram-positive type of bacteria. It is given as an injection into the muscle under the supervision of a healthcare professional. It should be used regularly as per the schedule prescribed by your doctor. Do not skip any doses and finish the full course of treatment even if you feel better. Stopping the medicine too early may lead to the infection returning or worsening. The total duration of treatment and precise dosage will be decided by your doctor, depending on the type of infection that you have and how well you respond to the medication.

Before taking this medicine, inform your doctor if you are allergic to penicillin or any penicillin-type of medicine. Rash, allergic reactions or pain, swelling, and redness at the site of injection may be seen as side effects in some patients. These are temporary and usually resolve quickly. Consult your doctor if any of these side effects persist or if your condition worsens. This medicine is generally regarded as safe to use during pregnancy if used under a doctor's supervision.

• Treatment of Bacterial infections
• Treatment of Syphilis
• Prevention of Rheumatic fever

Treatment of Bacterial infections
Durapen Injection is an antibiotic medicine which can be used to treat many different infections caused by bacteria. It works by stopping the growth of the bacteria causing the infection. This medicine is given by a doctor or a nurse and should not be self-administered. It usually makes you feel better quite quickly. You must continue the treatment as prescribed even when you feel better, to make sure that all bacteria are killed and do not become resistant.

Treatment of Syphilis
Syphilis is a bacterial infection usually spread by sexual contact. The disease starts as a painless sore particularly on your genitals, rectum or mouth. If diagnosed in early stages, syphilis can be treated with the use of Durapen Injection, which is an antibiotic that kills the infection causing bacteria and also stops progression of the disease. It is given only by a doctor or nurse into a muscle. Follow the doctor’s instructions carefully to get maximum benefit.

Prevention of Rheumatic fever
Rheumatic fever is an inflammatory disease caused by the bacteria streptococcus, that results usually die to inadequately treated throat infections or scarlet fever caused by the same microorganisms. Durapen Injection effectively relieves symptoms, controls inflammation and also prevents the disease from returning. If you are allergic to penicillin, tell your doctor before taking it, so you may be treated with some other alternate medicine. If you are using it for the first time, let your doctor know if you notice any signs of allergy such as rash, swelling or any other bothersome side effect.

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Huelin

• Rash
• Allergic reaction
• Injection site reactions (pain, swelling, redness)

Your doctor or nurse will give you this medicine. Kindly do not self administer.

Durapen Injection is an antibiotic. It kills bacteria by preventing them from forming the bacterial protective covering (cell wall) which is needed for them to survive.

• You have been prescribed Durapen Injection for the treatment of bacterial infections.
• It is given by an injection into a vein or muscle, or via a drip into a vein.
• Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
• Inform your doctor immediately if you develop an itchy rash, swelling of the face, throat or tongue or breathing difficulties while taking this medicine.

Chambers HF, Deck DH. Beta-Lactam and Other Cell Wall- & Membrane-Active Antibiotics. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 778-79.

Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1081-82.

Drugs.com. Benzathine penicillin G. [Accessed 29 Mar. 23019] (online) Available from:

PubChem. Benzathine penicillin G. [Accessed 29 Mar. 2019] (online) Available from:

Drugs.com. Benzathine penicillin G. [Accessed 29 Mar. 23019] (online) Available from:

Benzathine penicillin G. Bristol, TN: King Pharmaceuticals; Aug. 2012. [Accessed 29 Mar. 2019] (online) Available from: