Megapen 500 mg Injection belongs to the group of medicines called 'antibiotics' used to treat bacterial infections of the ear, lungs, skin, nose, urinary tract, and throat. Bacterial infections are caused due to the multiplication of harmful bacteria inside or on the body. 

Megapen 500 mg Injection contains two antibiotics, namely: Ampicillin and Cloxacillin. Megapen 500 mg Injection works by preventing the formation of bacterial cell wall, which is necessary for their survival. Thereby kills the bacteria and helps in treating and preventing bacterial infections.
 
In some cases, Megapen 500 mg Injection may cause common side-effects such as diarrhoea, rashes, nausea, and vomiting. Most of these side-effects do not require medical attention and resolve gradually over time. However, you are advised to talk to your doctor if you experience these side-effects persistently.
 
Inform your doctor if you have any allergy (against any antibiotic), kidney or liver problems. Consult your doctor if you are pregnant or breastfeeding. Avoid alcohol consumption to prevent unpleasant side-effects. Inform your doctor about your health condition and medications to rule out any unpleasant side-effects/interactions.

Megapen 500 mg Injection is composed of two antibiotics, namely: ampicillin and cloxacillin. Megapen 500 mg Injection belongs to the group of antibiotic medicines called penicillins used to treat bacterial infections of the ear, lungs, skin, nose, urinary tract, and throat. It is a broad-spectrum antibiotic that is effective against both gram-positive and gram-negative bacteria. Megapen 500 mg Injection works by preventing the formation of bacterial cell covering, which is necessary for their survival. Thereby kills the bacteria and helps in treating and preventing bacterial infections.

• Diarrhoea
• Rash
• Nausea
• Vomiting

Before starting Megapen 500 mg Injection, please inform your doctor if you are allergic to any penicillin antibiotics. Inform your doctor if you have diabetes, HIV infections, kidney or liver problems. Consult your doctor if you are pregnant or breastfeeding. Avoid alcohol consumption to prevent unpleasant side effects. Avoid consuming food or milk with Megapen 500 mg Injection. Inform your doctor about your health condition and medications to rule out any unpleasant side effects/interactions.

Drug-Drug Interactions: Inform your doctor if you are taking any prescription or non-prescription medicines, including vitamins or herbal supplements.

Drug-Food Interactions: No interactions found/established.

Drug-Disease Interactions: Inform your doctor if you have/had colitis (inflammation in the lining of the intestine or colon), diabetes, or HIV infections.

• Antibiotics can alter the useful bacteria in the stomach, which help in digestion. Therefore, you are advised to take foods rich in probiotics such as yoghurt/curd, kefir, sauerkraut, tempeh, kimchi, miso, kombucha, buttermilk, natto, and cheese.
• Eat fibre-rich food like whole grains, beans, lentils, berries, broccoli, peas, and bananas.
• Avoid foods rich in calcium, grapefruit, and grapefruit juice as they might hinder the absorption of antibiotics.
• Avoid consumption of alcohol and usage of tobacco.

Bacterial infections: A bacterial infection is a condition in which harmful bacteria enter, multiply, and infect the body. It can target any body part and multiply very quickly. Symptoms of bacterial infection include chills, fever, headache, nausea, vomiting, diarrhoea, abdominal pain, and loss of appetite. Anyone can become infected with a bacterial infection. But, people with a weak immune system or taking immunosuppressive medicines are more prone to bacterial infection.