Your symptoms can be due to;
1) Long Covid.
2) Stress, anxiety.
3) Low thyroid.
4) Chronic infection like EBV that may happen during or after covid.
You would need the following investigations to ascertain the cause:
Complete blood count (CBC)
Liver function tests
Thyroid function tests
Erythrocyte sedimentation rate (ESR)
Serum electrolyte level measurement
Immunoglobulin M (IgM)/immunoglobulin G (IgG) coxsackievirus B titer
IgM/IgG human herpesvirus 6 (HHV-6) titer
IgM/IgG C pneumoniae titer
The following would help you;
1) Omega 3; Fish oil capsule and flaxseed oil capsule.
2) Ginkgo Biloba
3) Zinc 30 mg.
5) Stretching exercises.
6) Gentle massage.
I wish your symptoms resolve soon.
I would be happy to assist you further if you need any more information.
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