Hi,
Yes all these symptoms can be of hypothyroidism.However you need to get tested to get it confirmed(tests for thyroid). However hypothyroidism can lead to raised ldl(cholesterol),which can further lead to hypertension.(but that is not necessary that it leads to hypertension it can be a separate issue also).
These problems might have to be separately handled,which will be known only after your response to thyroid drugs. ...
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