CosmoFer can cause side effects, although not everyone experiences them. Some reactions may appear immediately, while others may be delayed by up to four days after administration[1][3].
Common and uncommon side effects include:
- Nausea and vomiting[1][3][5][7]
- Shivering or chills[1][5]
- Abdominal pain or cramps[1][3]
- Fever[1][3]
- Blurred vision[1][3]
- Feeling hot[1][3]
- Numbness or tingling[1][3]
- Sweating or tremor[1][3]
- Dizziness, fatigue, restlessness[1][3]
- Diarrhoea[1][3]
- Redness and warmth of the face, neck or chest[7]
- Back, joint, or muscle pain[5]
Serious side effects may include:
- Allergic reactions (including angioedema and hives/itching)[1][3]
- Sudden onset of difficulty breathing or respiratory difficulty[1]
- Low blood pressure[1][3][7]
- Altered mental status, loss of consciousness, seizures (fits)[1][3]
- Irregular heartbeat, high pulse rate, or chest pain[1][3]
- Cardiovascular collapse (heart and circulation problems) — fatalities have been reported[1]
- Delayed allergic reactions (joint/muscle pain, fever hours to days after infusion)[1][3][5]
Additional reactions from intramuscular injection may include: staining of the skin, bleeding, or pain at the injection site[3].
If you experience severe allergic reactions (such as difficulty breathing, swelling of the face/throat, severe rash, or chest pain) or delayed joint/muscle pain with fever, seek urgent medical attention[1][3][5].