Menthol can sometimes irritate the skin, making it highly sensitive to the sun and leading to dark spots. First, please stop using the mentholated rub. To help your skin heal and prevent further burning, apply a broad-spectrum sunscreen containing zinc oxide daily. For the dark spots, gentle topical ingredients like azelaic acid or vitamin C can help fade them safely over time. Keeping your skin hydrated with a simple, fragrance-free moisturizer will also support your skin barrier. I highly recommend consulting a dermatologist for a personalized treatment plan.

For a 2-month-old baby, please do not apply thailam or Baby Vicks VapoRub on or near their nose. Strong balms can irritate their delicate airways and make breathing more difficult. Fortunately, using saline nasal drops (like Nasoclear) is very safe and highly effective at loosening mucus. You can also use a cool-mist humidifier in their room to help them breathe easier. Please avoid any chest rubs or balms at this age, and consult your pediatrician if your baby has a fever, rapid breathing, or difficulty feeding.

Since your cough has lasted more than a week, it is best to see a healthcare professional for a proper chest evaluation to rule out conditions like bronchitis or allergies. In the meantime, try to rest, stay well-hydrated with warm fluids, and use warm salt-water gargles to soothe your throat. Steam inhalation can also help ease congestion. Please consult a doctor soon so they can examine you and recommend targeted treatment.

Experiencing chest and arm discomfort after eating often points to acid reflux or esophageal spasms, which can sometimes mimic heart sensations. Vicks and Moov spray contain soothing ingredients like menthol and methyl salicylate. These work by warming or cooling the skin, which distracts your nerves and relaxes local muscles, offering temporary relief. While this is likely related to digestion or muscle tension, any chest pain that radiates to your arm should be checked by a doctor to ensure your heart is perfectly healthy.

It is reassuring that the squeezing sensation in your left shoulder improves with topical sprays like Vicks or Moov, as this strongly suggests a muscular strain or spasm. To help it heal, I recommend resting the shoulder and avoiding heavy lifting. If the discomfort persists, worsens, or is accompanied by chest pain or shortness of breath, please seek medical evaluation. For peace of mind, a doctor may recommend an ECG to safely rule out cardiac causes, along with a shoulder X-ray or ultrasound if they suspect a joint or muscle issue.

Using camphor, such as in Vicks VapoSteam, in your humidifier can sometimes irritate sensitive airway passages. While the warm moisture from the humidifier is excellent for soothing a dry mouth and throat, the strong vapors of camphor might actually make the dryness feel slightly worse or cause mild irritation. For your comfort, I recommend trying plain water in your humidifier first to see if the moisture alone brings you relief. Please stay well-hydrated, and do not hesitate to consult your doctor if the dryness continues to bother you.