![]() ![]() ![]() It is only when the vaccine is widely distributed that rarer or abstract side effects might come to light. ![]() ![]() These side effects are common in almost any vaccination, but especially so for COVID-19 vaccines.Įven after the third phase of clinical trials and the beginning of a vaccine’s distribution to the public, vaccines continue to be monitored and reviewed to confirm their safety and that their benefits outweigh the risks. Local reactions are specific to one part of the body, such as pain where the vaccine is injected systemic reactions are felt throughout the body, like a fever or fatigue. Side effects also are categorized as local or systemic reactions. According to the Centers for Disease Control’s website, the vaccine is given to individuals who match characteristics “similar to those for whom the new vaccine is intended.” Phase 3 involves dosing tens of thousands of participants to test the vaccine for efficacy and safety. Food and Drug Administration’s (FDA) second phase is described as an expansion of the first and is similar to Canada’s. Phase 2 trials are typically where we start (…) looking at how the immune system responds to the vaccines.” “Once we’ve determined that the vaccine among that very, very small subset is safe, we then go into a Phase 2 study. Phase 1 involves a small number of participants to “assess safety, toxicity and dosage,” says Catharine Chambers, an epidemiologist and public health researcher. This is typically divided into three phases. Side effects are analyzed throughout an extensive clinical trial process when a vaccine is in development. And though COVID-19 vaccines are reported to have more intense side effects than a regular flu shot, this is merely a sign that your immune system is doing its job. While there is an abundance of anecdotal reports of odd side effects from the vaccines, few are proven to be caused by them. You may report side effects to the FDA at 1-80.Some of the expected side effects of COVID-19 vaccines include a sore arm, fatigue and a mild fever – but what about strange dreams? If you notice any other effects, check with your healthcare professional.Ĭall your doctor for medical advice about side effects. Other side effects not listed may also occur in some patients. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Incidence not knownīleeding, 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 injection site Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Some side effects may occur that usually do not need medical attention. Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue Muscle aches, cramps, pains, or stiffnessĬhest pain, possible moving to the left arm, neck, or shoulder Check with your doctor or nurse immediately if any of the following side effects occur: More common ![]()
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