Citanest HCl Plain Side Effects
Generic name: prilocaine
Medically reviewed by Drugs.com. Last updated on Feb 10, 2025.
Note: This document provides detailed information about Citanest HCl Plain Side Effects associated with prilocaine. Some dosage forms listed on this page may not apply specifically to the brand name Citanest HCl Plain.
Applies to prilocaine: injection solution.
It is very important that your doctor check your or your child's progress closely while receiving this medicine to see if it is working properly. Blood tests may be needed to check for any unwanted effects.
This medicine may cause a rare, but serious blood problem called methemoglobinemia. The risk may be increased in children younger than 6 months of age, elderly patients, or patients with certain inborn defects. It is more likely to occur in patients receiving too much of the medicine, but can also occur with small amounts. Check with your doctor right away if you or your child has the following symptoms after receiving this medicine: pale, gray, or blue-colored skin, lips, or nails, confusion, headache, lightheadedness, fast heartbeat, or unusual tiredness or weakness.
Tell your doctor or nurse right away if you have the following symptoms with this medicine: anxiety, blurred vision, depression, drowsiness, lightheadedness, nausea or vomiting, numbness and tingling of the mouth or lips, restlessness, ringing in the ears, speech problems, or tremors.
This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Call your doctor right away if you have a rash, itching, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, mouth, or throat after receiving this medicine.
This medicine may also increase your risk of having serious heart and blood vessel problems such as a heart attack, heart rhythm changes, or low blood pressure. Check with your doctor if you have chest pain or discomfort, pain or discomfort in the arms, jaw, back, or neck, dizziness, fainting, pounding, slow heartbeat, troubled breathing, or unusual tiredness or weakness.
Before you have any medical tests, tell the medical doctor in charge that you are receiving this medicine. The results of some tests may be affected by this medicine.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Serious side effects of Citanest HCl Plain
Along with its needed effects, prilocaine (the active ingredient contained in Citanest HCl Plain) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur while taking prilocaine:
Incidence not known
- blurred vision
- burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings in the lips or mouth
- chest pain or discomfort
- cold, clammy, pale skin
- confusion
- continuing ringing or buzzing or other unexplained noise in the ears
- cough
- difficulty swallowing
- discouragement
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- drowsiness
- excitement
- false or unusual sense of well-being
- fast or irregular heartbeat
- feeling sad or empty
- general feeling of illness
- hearing loss
- hives, itching, skin rash
- irritability
- lack of appetite
- loss of consciousness
- loss of interest or pleasure
- nausea
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- restlessness
- seizures
- severe headache
- shivering
- slow heart rate
- slowing of labor
- stiff neck or back
- sweating
- tightness in the chest
- trouble concentrating
- trouble sleeping
- unusual tiredness or weakness
- vomiting
- weakness of the muscles in your face
Other side effects of Citanest HCl Plain
Some side effects of prilocaine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
- feeling of heat
- numbness
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Further information
Citanest HCl Plain side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.