Weakness and tired ness every time.

Assessment of vitamin d3 b12 t3t4tsh mg crp cbc esr advisable. Till than Polybion lc 10ml after dinner for 3 weeks. Trinergic L ONE at night for 3 weeks.

At college age (likely 18–23 years), continuous weakness, tiredness even with good diet, and specific fatigue in shoulders & arms after losing 15 kg is very common and usually not serious, but it needs proper evaluation because it is affecting your daily life and studies. The most likely causes (in order of probability): • Post-weight-loss fatigue — rapid 15 kg loss often causes muscle loss (especially upper body), low energy reserves, and micronutrient gaps (iron, B12, vitamin D, magnesium, protein) even if diet “looks good”. • Iron deficiency (very common in Indian college students — even with normal Hb, low ferritin causes fatigue, shoulder/arm weakness) • Vitamin D deficiency (extremely common in India — indoor study life + sunscreen/clothing) • Low muscle mass / poor strength — after weight loss, shoulders/arms feel heavy & tired because muscle was lost along with fat • Anxiety / academic stress / poor sleep quality — college life + pressure often causes “tired but wired” feeling • Hypothyroidism or borderline thyroid (even if earlier normal) — can appear after weight loss • Dehydration or low electrolytes (potassium/magnesium) — very common when dieting

1. Consult a doctor soon (within 1–2 weeks) — preferably a general physician or endocrinologist (not just local clinic) • Show your weight loss history + current symptoms • Ask for these essential tests: • CBC + peripheral smear (to see anemia type) • Serum ferritin (iron stores — most important) • Vitamin D (25-OH) • Vitamin B12 + folic acid • TSH + free T4 (thyroid) • Serum electrolytes (Na, K, Mg) • Total protein + albumin (protein status after weight loss) 2. Do NOT start random supplements or gym aggressively until tests are done — wrong supplements can worsen symptoms.

• Improve diet quality (not just quantity): • Eat protein in every meal — 1.2–1.6 g/kg body weight (eggs, paneer, chicken, fish, dal, sprouts, milk, curd) • Add healthy fats — ghee, nuts (almonds, walnuts 8–10/day), peanut butter, avocado • Include iron + vitamin C together: spinach + lemon, beetroot + amla, dates + orange • Eat small frequent meals (5–6 times/day) — prevents energy crashes • Mild exercise (not heavy gym yet): • 20–30 min brisk walking daily • Light bodyweight exercises for shoulders/arms (wall push-ups, shoulder rolls, arm circles) — 10 min/day • Avoid excessive cardio or heavy weights until energy improves • Sleep & recovery • Fixed sleep time: 10 pm – 6/7 am (minimum 7–8 hours) • No phone 1 hour before bed • Afternoon 10–20 min power nap if possible • Safe supplements (start only after doctor confirms deficiency — do not self-medicate high doses): • Vitamin D3 — 60,000 IU weekly × 8 weeks if deficient (common brand: D-Rise, Uprise-D3, Calcirol) • Methylcobalamin 1500 mcg daily (Neurobion, Nurokind, Mecobal) if B12 low • Iron + folic acid (Orofer XT, Feronia XT) if ferritin low — take after food + vitamin C • Magnesium glycinate 200–300 mg at night — very helpful for muscle fatigue & sleep • Whey protein (if protein intake low) — 1 scoop (20–25 g) daily in milk Most students with your exact complaints (post-weight-loss fatigue + shoulder/arm tiredness) improve 60–80% in 4–8 weeks after correcting deficiencies + improving protein intake + better sleep. Please see a doctor soon (show weight loss history + symptoms) and get the blood tests done — once ferritin, vitamin D, B12 are corrected, energy usually returns fast. If you get the test results or want specific diet/brand suggestions in India, feel free to update — happy to guide further. Take care & stay consistent

You need to evaluate first.mostly its due to vitamin deficiency, iron deficiency, thyroid deficiency. You need to do some routine testing to evaluate first and then need treatment. Pleasefeel free to consult me on practo for further management and evaluation.

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Can help you, kindly consult and provide detailed history for proper diagnosis and further management

Need a few more details please consult for further evaluation and treatment