What Are The Most Common Side Effects Of Levothyroxine?

by | Last updated on January 24, 2024

, , , ,
  • weight gain or loss.
  • headache.
  • vomiting.
  • diarrhea.
  • changes in appetite.
  • fever.
  • changes in menstrual cycle.
  • sensitivity to heat.

Can hypothyroidism cause muscle twitching?

Hypothyroid myopathy (HM) is a skeletal muscle disease caused by . About 30% to 80% of patients with hypothyroidism develop myopathy whose symptoms include myasthenia, muscle spasm after exercise, myalgia, and muscle stiffness (4).

Can levothyroxine cause muscle twitching?

They include the following: General: fatigue, increased appetite, weight loss, heat intolerance, fever, excessive sweating. Central nervous system: headache,hyperactivity, nervousness, anxiety, irritability, emotional lability, insomnia. Musculoskeletal: tremors, muscle weakness, muscle spasm.

Can too much thyroid cause muscle spasms?

What are the symptoms of hypothyroid myopathy? The most common symptoms include weakness around the hips and sometimes the shoulders, and a slowing of reflexes. Some people also experience muscle stiffness and painful muscle cramps. LIfe-threatening cases can cause rhabdomyolysis (acute muscle breakdown).

Can too much levothyroxine cause tremors?

Thyroxines like levothyroxine (Synthroid, Levoxyl) are used to treat hypothyroidism and may cause

tremor

. Pro-tip: Taking too much thyroid hormone—being so-called “over-replaced” on your thyroid dose—may also cause tremor, so you'll want to have your doctor do a TSH blood test if you are experiencing hand tremor.

How do you know when your thyroid medicine needs adjusting?

In general, the most indicators that your doctor needs to adjust your levothyroxine dose is that you start having signs and symptoms of an overactive thyroid. These include:

Racing or irregular heartbeat or palpitations

.

Increased blood pressure

.

What are the signs of too much thyroid medication?

  • Heart palpitations or a faster heart rate, even at rest.
  • Trouble falling asleep.
  • Feeling jittery.
  • Sweating a lot.
  • Anxiety.
  • Shaky hands.
  • Diarrhea.
  • Weight loss.

Do you have hypothyroidism look at your hands?

Signs and symptoms of hypothyroidism can show up in the hands and nails. Hypothyroidism can cause dermatologic findings such as nail infection,

vertical white ridges on the nails

, nail splitting, brittle nails, slow nail growth, and nails lifting up.

What are the signs and symptoms of myopathy?

The myopathies are neuromuscular disorders in which the primary symptom is

muscle weakness due to dysfunction

of muscle fiber. Other symptoms of myopathy can include include muscle cramps, stiffness, and spasm. Myopathies can be inherited (such as the muscular dystrophies) or acquired (such as common muscle cramps).

Can thyroid cause aching legs?

Muscle weakness, aches, and cramping are common in people with hypothyroidism. While the weakness can be generalized, people typically experience it in the muscles that are closest to the center of their bodies, such as the thigh or shoulder.

Why do I feel like my insides are vibrating?

Internal vibrations are thought to

stem from the same causes as tremors

. The shaking may simply be too subtle to see. Nervous system conditions such as Parkinson's disease, multiple sclerosis (MS), and essential tremor can all cause these tremors.

What does a thyroid storm feel like?

Symptoms of thyroid storm include:

Feeling extremely irritable or grumpy

. High systolic blood pressure, low diastolic blood pressure, and fast heartbeat. Nausea, vomiting, or diarrhea.

Can thyroid cause shaking hands?

An

overactive

thyroid can produce several characteristic symptoms, such as hand tremors, racing heartbeat, a high blood pressure, increased appetite, decreased sleep, or weight loss.

How often does thyroid medication need to be adjusted?

The dosage should be increased gradually, and laboratory values should be monitored

six to eight weeks after any dosage change

. Once a stable dosage is achieved, annual monitoring of the thyroid-stimulating hormone (TSH) level is probably unnecessary, except in older patients.

What happens when there is too much thyroxine in the body?


Hyperthyroidism (overactive thyroid

What happens if thyroid medication is too low?

There's nothing better than feeling like your healthy, usual self after taking medication for your hypothyroidism. However, if you start noticing symptoms like anxiety,

fuzzy memory

, diarrhea, heart palpitations or excessive sweating, this may be a sign that your underactive thyroid

Rebecca Patel
Author
Rebecca Patel
Rebecca is a beauty and style expert with over 10 years of experience in the industry. She is a licensed esthetician and has worked with top brands in the beauty industry. Rebecca is passionate about helping people feel confident and beautiful in their own skin, and she uses her expertise to create informative and helpful content that educates readers on the latest trends and techniques in the beauty world.