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Cosela Side Effects

Generic name: trilaciclib

Medically reviewed by Drugs.com. Last updated on Jul 8, 2024.

Note: This document provides detailed information about Cosela.

Applies to trilaciclib: intravenous powder for solution Side Effects associated with trilaciclib. Some dosage forms listed on this page may not apply specifically to the brand name Cosela.

Applies to trilaciclib: intravenous powder for solution.

Precautions

It is very important that your doctor check your progress closely and at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.

Receiving this medicine while you are pregnant can harm your unborn baby. If you are a woman who can get pregnant, your doctor may do tests to make sure you are not pregnant before starting treatment. Use an effective form of birth control to keep from getting pregnant during treatment and for at least 3 weeks after the last dose. If you think you have become pregnant while receiving the medicine, tell your doctor right away.

This medicine may cause serious injection-site reactions (eg, phlebitis, thrombophlebitis). Check with your doctor right away if you have bluish color, changes in skin color, or pain, tenderness, or swelling at the injection site.

This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Check with your doctor right away if you have a rash, itching, hives or welts, redness of the skin, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, mouth, or tongue while you are using this medicine.

This medicine may cause lung or breathing problems (eg, interstitial lung disease, pneumonitis), which can be life-threatening. Check with your doctor right away if you have chest pain, chills, cough, fever, general feeling of discomfort or illness, thickening of bronchial secretions, or trouble breathing.

Talk with your doctor before using this medicine if you plan to have children. Some women who use this medicine have become infertile (unable to have children).

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 Cosela

Along with its needed effects, trilaciclib (the active ingredient contained in Cosela) 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 trilaciclib:

More common side effects

  • bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the site
  • bleeding gums
  • blue lips, fingernails, or skin
  • blurred vision
  • bone pain
  • chest pain or tightness
  • chills
  • confusion
  • cough
  • coughing up blood
  • decreased urine
  • dizziness
  • dry mouth
  • fever
  • flushed, dry skin
  • fruit-like breath odor
  • general feeling of discomfort or illness
  • headache
  • increased menstrual flow or vaginal bleeding
  • increased hunger
  • increased thirst
  • increased urination
  • irregular, fast or slow, or shallow breathing
  • lack or loss of strength
  • loss of appetite
  • mood or mental changes
  • muscle cramps in the hands, arms, feet, legs, or face
  • nausea or vomiting
  • numbness and tingling around the mouth, fingertips, or feet
  • nosebleeds
  • paralysis
  • pinpoint red spots on the skin
  • prolonged bleeding from cuts
  • red or black, tarry stools
  • red or dark brown urine
  • seizures or tremors
  • sneezing
  • sore throat
  • stomach cramps or pain
  • sweating
  • swelling of the hands, ankles, feet, or lower legs
  • thickening of bronchial secretions
  • trouble breathing
  • unexplained weight loss
  • unusual bleeding or bruising
  • unusual tiredness or weakness

For healthcare professionals

Applies to trilaciclib: intravenous powder for injection.

General adverse events

The most common adverse reactions were fatigue, hypocalcemia, hypokalemia, hypophosphatemia, aspartate aminotransferase increased, headache, and pneumonia[Ref]

Hypersensitivity

Local

Musculoskeletal

Hepatic

Respiratory

Other

Fatal adverse reactions included pneumonia, respiratory failure, acute respiratory failure, hemoptysis, and cerebrovascular accident[Ref]

Hematologic

Nervous system

Cardiovascular

Dermatologic

Endocrine

Gastrointestinal

See also:

References

1. (2021) "Product Information. Cosela (trilaciclib)." G1 Therapeutics, Inc.

Further information

Cosela 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.