Myostatin

Typically resolve within 24–48 hours. Rotate injection sites to minimize recurrence. Apply ice if swelling persists. Use a new needle for each injection and ensure proper sterile technique.

Usually mild and brief. Allow the solution to reach room temperature before injection. Ensure the needle is sharp and properly inserted. Slow injection (3–5 seconds) reduces discomfort.

Develops with repeated injections in the same site. Prevent by rotating injection sites systematically. Maintain at least 1 inch between injection points. If lipodystrophy develops, avoid that area for 2–3 months.

May occur in the first few days of use. Usually self-resolving. Stay well hydrated and take over-the-counter analgesics if needed.

Typically transient. Take the injection with food if tolerated. Discontinue if severe or persistent.

May occur during the first 1–2 weeks as the body adapts. Usually resolves spontaneously. Ensure adequate sleep and hydration.

May reflect increased muscle protein synthesis and adaptation. Typically mild and self-limiting. Ensure adequate recovery and hydration.

Seek immediate medical attention if severe. Mild rash may respond to antihistamines. Discontinue use if allergic symptoms develop. Do not re-inject if prior allergic reaction occurred.

Medical emergency. Seek immediate emergency care. Have epinephrine available if you have a history of severe allergies. Discontinue use permanently if anaphylaxis occurs.