Bicillin C-R IM

In Depth

Uses and How to Use
Dosage and Storage
Precautions and Side Effects
Drug Interactions

Generic Name: PENICILLIN G BENZATHINE/PENICILLIN G PROCAINE - INJECTION
Pronounced: (pen-ih-SILL-in G BEN-zuh-theen/pen-ih-SILL-in G PRO-cane)

Bicillin C-R IM Warning

This medication must not be injected into a vein or mixed with solutions that will be injected into a vein.

Bicillin C-R IM Side Effects

Pain at the injection site, nausea, or vomiting may occur. If these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

severe pain/peeling skin at injection site
joint/muscle pain
headache
shortness of breath
dizziness

Tell your doctor immediately if any of these rare but very serious side effects occur:

vision changes
fast/slow/pounding heartbeat
numbness/tingling of arms/legs
pain/redness/swelling of arms/legs
change in skin color near injection site or on arms/legs
uncontrolled movements
inability to move
change in the amount of urine
new signs of infection (e.g., fever, persistent sore throat)
easy bruising/bleeding
extreme tiredness
dark/cloudy urine
seizures
mental/mood changes (e.g., depression, agitation)

Seek immediate medical attention if any of these rare but very serious side effects occur:

trouble breathing
chest pain
slurred speech
confusion
fainting

This medication may rarely cause a severe intestinal condition (pseudomembranous colitis) due to a type of resistant bacteria. This condition may occur weeks after treatment has stopped. Tell your doctor immediately if you develop persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool. Do not use anti-diarrhea products or narcotic pain medications if you have any of these symptoms because these products may make them worse.

Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: