Whether platelets can recover on their own depends on the cause of the lowered platelet count and requires a specific analysis of the problem and cannot be generalized.
In clinical practice, there are many common causes of lowered platelet count. In case of viral infection, platelet count can be restored to normal after elimination of the infection. Common drugs, such as ibuprofen, can also cause a temporary decrease in platelet count, which usually returns to normal about a week after stopping the drug. However, lower platelet counts caused by hematologic diseases such as aplastic anemia, acute leukemia, and myelodysplastic syndrome cannot generally recover on their own, and without intervention may even cause them to get lower and lower.
Therefore, when a lower platelet count is found, you should check and find the cause in conjunction with your own situation, and if it is caused by blood disorders and other diseases, you should actively treat it.