Thymalin

Mild redness, warmth, or slight swelling at the injection site. Typically resolves within 1-2 hours. Minimize by rotating injection sites, allowing solution to reach room temperature, and using proper injection technique. Apply ice if needed.

Localized itching or urticaria (hives) at injection site or systemic mild rash. May occur in individuals with sensitivity to animal-derived peptides. Discontinue use and consult a healthcare provider if symptoms develop.

Mild headache reported in some users during the first few days of a cycle. Usually self-resolving. Stay well-hydrated and consider timing injections in the evening to minimize daytime impact.

Transient low-grade fever or chills may occur as part of immune system activation. Typically resolves within 24 hours. This may reflect immune stimulation rather than infection. Monitor temperature; seek medical evaluation if fever exceeds 38.5°C (101.3°F).

Mild tiredness or general malaise during the first 1-3 days of a cycle. Usually resolves as the body adapts. Ensure adequate sleep and hydration.

Mild nausea, stomach discomfort, or loose stools reported rarely. Typically mild and self-resolving. Take with food if nausea occurs; ensure adequate hydration.

Severe allergic reaction with difficulty breathing, throat swelling, or severe hypotension is extremely rare but requires immediate emergency medical attention. Discontinue use immediately and call emergency services. Individuals with known peptide allergies should avoid use.