The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Side effects are rare and are usually related to having too much thyroid hormones in the body
Less Common Side Effects
- Signs of having too much thyroid hormones in the body:
- Nervousness
- Irritability
- Tiredness
- Muscle weakness
- Trouble tolerating heat
- Trouble sleeping
- Shaky hands
- Fast heartbeat
- Diarrhea
- Weight loss
- Mood swings
When do Niva Thyroid possible side effects begin and end?
Time passed since treatment started:
H
D
W
M
Risk of symptoms of too much thyroid hormone
If a line continues to the right, you'll likely keep experiencing this side effect once it starts.
Source: DailyMed
The following Niva Thyroid side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Anxiety, nervousness
- Excessive sweating or sensitivity to heat
- Fever
- Heart palpitations—rapid, pounding, or irregular heartbeat
- Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
- Irregular menstrual cycles or spotting
- Severe diarrhea
- Tremors or shaking
- Trouble sleeping
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
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