5 common causes of bald spots and how to tackle them

Bald spots can feel like a punch to your confidence - sudden, unexplained patches of missing hair are never welcome surprises. While it’s true that everyone sheds some hair every day, distinct patches of thinning or bare scalp usually point to an underlying issue. Here are five of the most common culprits behind those unwelcome bald spots and some tips on how to tackle them.

More commonly known as male- or female-pattern baldness, androgenetic alopecia is driven by genetics and hormones (specifically DHT, a derivative of testosterone). In men, it typically starts with a receding hairline or crown thinning; in women, diffuse thinning across the top of the scalp is more common. Unlike alopecia areata, these changes are gradual and permanent without intervention.

What to do: Early intervention is crucial. FDA-approved treatments include topical minoxidil (Rogaine) for both men and women, and finasteride (Propecia) for men. Low-level laser therapy and platelet-rich plasma (PRP) injections are also gaining popularity to stimulate follicles. If medical treatments aren’t effective, hair transplant surgery remains an option for many.

Traction alopecia results from repeated tension on the hair shaft, think tight ponytails, braids, buns, or extensions. Over time, the stress on the follicles can cause hair to fall out in specific areas, often along the hairline or temples. If caught early, the damage may be reversible; leave it too long, and follicles can become permanently scarred.

What to do: The first step is to change your hairstyle habits. Embrace looser styles, give your hair frequent breaks from elastics and extensions, and alternate partings. Scalp massages with a nutrient-rich oil (like coconut or almond) can improve blood flow to stressed follicles. If scarring has occurred, consulting a dermatologist for microneedling or PRP may help reactivate dormant follicles.

Ringworm of the scalp (tinea capitis) is a fungal infection that can cause patchy hair loss accompanied by red, scaly, or itchy spots. Common in children but possible at any age, untreated scalp ringworm can lead to permanent scarring and lasting bald spots.

What to do: Recognizing the symptoms - itchy patches, black dots where hairs have broken off, and scaling, is key. Treatment involves prescription antifungal medications (oral griseofulvin or terbinafine) and medicated shampoos. Keep combs, hats, and pillows clean to avoid spreading the fungus, and complete the full course of treatment even if symptoms improve quickly.

Your hair needs a steady diet of proteins, vitamins (especially biotin, vitamin D, and B-complex), minerals (iron, zinc), and healthy fats to stay strong. Crash diets, poor eating habits, or malabsorption disorders can starve hair follicles of these essentials, leading to diffuse thinning or bald patches. Meanwhile, sudden or chronic stress can trigger telogen effluvium, where a large number of hairs prematurely enter the resting phase and shed en masse.

What to do: Start with a balanced, nutrient-dense diet rich in leafy greens, lean proteins, nuts, seeds, and fatty fish. Consider supplements only under the guidance of a healthcare professional - too much of certain vitamins (like vitamin A) can ironically worsen hair loss. For stress-induced hair fall, prioritize sleep, exercise, and stress-management techniques like mindfulness, therapy, or gentle yoga.

Bald spots are seldom “just cosmetic” they often signal a deeper imbalance in your body, lifestyle, or hair-care habits. The good news? Many causes are treatable, especially when caught early. If you spot a sudden bald patch, don’t wait. Schedule a check-up with a dermatologist or trichologist to identify the root cause and start a tailored treatment plan. With the right strategy, whether it’s tweaking your diet, changing your hairstyle, or exploring medical treatments—you can give your hair the best chance to bounce back.