Hello Friend, Good that you are seeking a help here. I can understand your suitation. As body and mind are interlinked, it's a logical connection between hyperthyroidism and depression. As you are going through hormonal imbalance in your body, you are experiencing
thyroid issue which influence weight gain and PMS. This inturn triggers mental stress, negativity and depression in your mind.
You may need a holistic approach in addressing both these problems rather just addressing only the symptoms. As I am also an ayurveda wellness coach, I can guide you on the alternate solution that can help you overcome both the thyroid and depression problems together.
Feel free to reach out to me directly or online through Practo app for further detailed evaluation and suitable recommendation of alternative solution. Be positive. You will be alright soon.