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I've been prescribed Levothyroxine 0.3mg (300mcg) Tab for hypothyroidism and I'm curious to hear from others who are taking it. How long did it take for you to feel the effects? I've been on it for a month but I'm not sure if I'm experiencing any improvements yet. I'm also a bit worried about the possible side effects, especially the serious ones. Has anyone experienced any of the more severe side effects mentioned in the drug information? If so, how did you handle them? I want to make sure I'm doing everything right, so any tips or insights would be greatly appreciated!

1 min read
last active 4/18/2026
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Comments (6)

R
ronald_pierce4/14/2026

My doctor told me to take my Levothyroxine at the same time every day and avoid taking it with other medications or food. This has really helped with the absorption and effectiveness.

K
katherine_green4/14/2026

I started taking Levothyroxine a few months ago and I think I might be experiencing some of the side effects like diarrhea and muscle weakness. Has anyone else had this issue?

J
justin_vargas4/14/2026

I had some mood swings and irritability at the beginning, but it got better over time. If you experience any severe side effects, definitely contact your doctor immediately. It's better to be safe!

M
martha_nichols4/14/2026

I've been on Levothyroxine for about 6 months now, and it took me around 3 months to start feeling better. I still have some fatigue, but it's much better than before. Just keep monitoring your symptoms and talk to your doctor regularly.

J
janet_gardner4/14/2026

I felt a noticeable difference after about 2 months. My energy levels improved, and I felt less cold all the time. My doctor told me it can take a while to find the right dose, so be patient and communicate with your healthcare provider.

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nancy_santos4/14/2026

I take 0.3mg too, and I've noticed a big improvement in my energy levels and mood. Just be patient, it took me a few months to find the right dose.