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In women, the most common adverse effects of MPA are acne, changes in menstrual flow, drowsiness, and can cause birth defects if taken by pregnant women. Other common side effects include breast tenderness , increased facial hair, decreased scalp hair, difficulty falling or remaining asleep, stomach pain, and weight loss or gain. [ 24 ]
Some reactions, such as pain, may appear immediately. Others may be delayed, such as erythema which may appear 24–96 hours after injection. [2] ISRs commonly seen with subcutaneous injections include: Bleeding and bruising [3] Erythema (redness) Pain; Pruritis (itching) [4] Swelling [5] Induration (hardening of the skin) [6] Discoloration [6]
Neck pain may arise due to muscular tightness in both the neck and upper back, or pinching of the nerves emanating from the cervical vertebrae. Joint disruption in the neck creates pain, as does joint disruption in the upper back. The head is supported by the lower neck and upper back, and it is these areas that commonly cause neck pain.
Injection site pain: 86%. Fatigue: 62%. Headache: 59%. Muscle pain: 50%. Joint pain: 42%. Chills: 40%. Injection arm swelling or tenderness: 25%. Moderna also included safety data in its ...
An injection necessarily causes a small puncture wound to the body, and thus may cause localized pain or infection. The occurrence of these side effects varies based on injection location, the substance injected, needle gauge, procedure, and individual sensitivity.
The injection comes with a side effect, though: Most patients will experience a droopy eyelid, dilated pupil and some vision loss for about 10 minutes, but the symptoms resolve quickly.
The most frequent complications of a deltoid injection include pain, redness, and inflammation around the injection site, which are almost always mild and last only a few days at most. [ 11 ] The dorsogluteal site of injection is associated with a higher risk of skin and tissue trauma, muscle fibrosis or contracture , hematoma , nerve palsy ...
Furthermore, Hunter is credited with acknowledging the systemic effects of injection after noticing that a patient's pain was alleviated regardless of the injection's proximity to the pained area. [ 7 ] [ 8 ] Hunter and Wood were involved in a lengthy dispute over not only the origin of the modern hypodermic needle, but also because of their ...