Sunburn

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In short

Sunburn is damage to the skin caused by too much sun.

Worth knowing3

If you have sunburn, your skin may: feel hot to touch; feel sore or painful; flake or peel – this usually happens a few days after you get sunburn.
NHS website
Your skin may also blister if your sunburn is severe.
NHS website
If you have black or brown skin, you may not notice a change in the color of your skin.
NHS website

Things that can help: get out of the sun as soon as possible; cool your skin with a cool shower, bath or damp towel (take care not to let a baby or young child get too cold); apply after-sun cream or spray, or an fragrance-free moisturizer; avoid alcohol and drink plenty of water to cool down and prevent dehydration; take pain relievers, such as acetaminophen or ibuprofen for any pain – follow the instructions in the leaflet; cover sunburned skin from direct sunlight until skin has fully healed.
NHS website

Things to avoid: do not use petroleum jelly on sunburned skin; do not put ice or ice packs on sunburned skin; do not pop any blisters; do not scratch or try to remove peeling skin; do not wear tight-fitting clothes over sunburned skin.
NHS website

Get care soon if, after time in the sun, your skin is blistered or swollen, your temperature is very high or you feel hot, cold or shivery, you feel very tired, dizzy or sick, you get a headache or muscle cramps, or your baby or young child has sunburn. Severe sunburn can lead to heat exhaustion and heatstroke, which can be very serious.
NHS website

These pages describe what the sources say. They cannot say what is going on with your skin.

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